**Dr. Deepa Sinha**

Dr. Deepa Sinha (born October) is a Graph Theorist having research interests in Signed Graph Theory. She has contributed to Signed Graph Equations and Graph Labeling. |

**Publications**

S.No. | Title |

1. | D. Sinha, S. Upadhayaya, P. Kataria, Characterization of Common edge signed graphs, Accepted for publication in Applied Discrete Mathematics, 2012. |

2. | Babita Tyagi, Ritu Kapoor, Deepa sinha, Devendra Sawroop Bhargava, Enhanced One Dimensional Modeling for Predicting Concentration Of BOD in rivers, Journal of Natural sciences Research, IISTE, Vol.2, No.5, pp-25-30, 2012, ISSN 2224-3186(Print),ISSN 2225-0921 (Online) |

3. | D. Sinha and Neeraj Tomer, Evaluating Machine Translation Evaluation's BLEU Metric for English to Indian Language Machine Translation, International Journal of Computer Science, 2012 |

4. | Generalized - Type I Univex Functions in Multiobjective Optimization, Advances in Operations research, 2012 |

5. | Deepa Sinha, Pallavi Kharbanda and Divya Agarwal, Generalized -Type I Univex Functions in Multiobjective Optimization, Advances in Operations research, 2012 |

6. | Babita Tyagi, Sapna Aggarwal Ritu Malik and Deepa Sinha,, Modeling Dissolved Oxygen Conditions in Rivers due to Multiple Discharge Points, Proceeding of National Conference on Mathematical & Computational Sciences-6th & 7th July, pp 272-275, 2012 Adikavi Nannaya University, Rajahmundry [AP], India |

7. | D. Sinha, P. Singh and N.S. Tomer, Oblique Stagnation-Point Darcy Flow towards a Stretching Sheet, Journal of Applied Fluid Mechanics, 5(3)2012, 29-37 |

8. | Trilok Mathur and Ruchi Mathur and Deepa Sinha, Some starlike and convexity properties of Sakaguchi Classes for Hypergeometric Functions, Int. J. Open Problems Complex Analysis, 4(1), 2012 |

9. | D. Sinha and P. Garg, Balance and Consistency of Total Signed Graphs, Indian Journal of Mathematics, Allahabad Mathematical Society, 53(1) 2011 |

10. | D. Sinha and P. Garg, Canonical consistency of signed line structures, Graph Theory Notes of New York, LIX, 2011, 22-27 |

11. | D. Sinha and P. Garg, Characterization of Total Signed Graph and Semi-Total Signed Graphs, International Journal of Contemporary Mathematical Sciences, 6(5) 2011, 221 – 228 |

12. | D. Sinha and P. Garg, On the Regularity of Some Signed Graph Structures, AKCE International Journal of Graphs and Combinatorics, 8(1) 2011, 63-74 |

13. | D. Sinha and P. Garg, On the Unitary Cayley signed Graphs, The electronic journal of combinatorics, 18 (2011), #P229 |

14. | D. Sinha and P. Garg, Some Properties of Unitary Addition Cayley Graphs, Notes on Number theory and Discrete Mathematics, 17(3)2011, 49-59 |

15. | P. Singh, N.S. Tomer, S. Kumar and D. Sinha, Effect of Radiation and Porosity Parameter on Magnetohydrodynamic Flow due to Stretching Sheet in Porous Media. Thermal Sciences. doi: 10.2298/TSCI091121051S, 2010 |

16. | D. Sinha and J. Kaur, Full Friendly index set- II, (Presented in the “International Conference on Mathematics and Computer Science” held in Loyola College, Chennai from February 05-06, 2010), Journal of Combinatorial Mathematics and Combinatorial Computing, 79(2011), 65-75 |

17. | P. Singh, N.S. Tomar and D. Sinha, Numerical Study of Heat Transfer over stretching Surface in Porous media with Transverse Magnetic Field, Proceedings of International Conference On Challenges And Applications Of Mathematics In Science And Technology, January 11-13, 2010, Macmillan Advanced Research Series, Macmillan Publishers India limited, ISBN 023- 032-875-X, 422-430 |

18. | P. Garg and D. Sinha, Some Results on semi-Total Signed Graphs, Discussiones Mathematicae Graph Theory, 31 (2011) 625–638. (Presented in the “International conference on Mathematics and Computer Science” held in Loyola College, Chennai, during February 05-06, 2010) |

19. | B.D. Acharya, Mukti Acharya and Deepa Sinha, Characterization of a signed graph whose signed line graph is S-consistent, Bulletin of The Malaysian Mathematical Sciences Society, 32(3) (2009), 335-341 |

20. | Deepa Sinha and Diksha, Supply Chain Model in a Multi-Echelon System with Inflation induced demand, International Transactions in Applied Sciences, 2009 |

21. | B.D. Acharya, Mukti Acharya and Deepa Sinha, Cycle-Compatible Signed Line Graphs, Indian Journal of Mathematics, Allahabad Mathematical Society, 50(2)(2008), 407-414 |

22. | Mukti Acharya and Deepa Sinha, Common-edge sigraphs, AKCE International Journal of Graphs and Combinatorics, 3(2)(2006), 155-130 |

23. | Mukti Acharya and Deepa Sinha, Characterizations of line sigraphs, Nat. Acad. Sci.-Letters, 28(1-2) (2005), 31-34 |

24. | Mukti Acharya and Deepa Sinha, A characterization of line sigraphs, Extended Abstract In: Electronic Notes in Discrete Mathematics, 15 (2003) |

25. | Mukti Acharya and Deepa Sinha, A characterization of sigraphs whose line sigraphs and jump sigraphs are switching equivalent, Graph Theory Notes of New York, New York Academy of Sciences, New York, XLIV (2003), 30-34 |

26. | Mukti Acharya and Deepa Sinha, A characterization of signed graphs that are switching equivalent to their jump sigraphs, Graph Theory Notes of New York, New York Academy of Sciences, New York, XLIII (2002), 7-8 |

27. | Phool Singh, Ashok Jangid, N.S. Tomer and Deepa Sinha, Effects of Thermal Radiation and Magnetic Field on Unsteady Stretching Permeable Sheet in Presence of Free Stream Velocity, International Journal of Information and Mathematical Sciences, vol. 6(3), 63-69 |

28. | P. Singh, N.S. Tomar and D. Sinha, Mhd Oblique Stagnation-Point Flow Towards A stretching Sheet With Heat Transfer, International Journal of Applied Mathematics and Mechanic, vol. 6(13), 94-111 |

29. | Deepa Sinha, Pallavi Kharbanda and Divya Agarwal, Generalized -Type I Univex Functions in Multiobjective Optimization, Advances in Operations research, 2012 |

30. | Balance and Antibalance of Tensor Product of two signed graphs, Thai Journal of Mathematics, Accepted for publication.. Deepa Sinha and Pravin Garg |

31. | Ruchi Mathur and Deepa Sinha, Coefficient inequalities for generalized Sakaguchi type multivalent functions, International Journal of Mathematical Archive, 3(7) (2012), 2558-2562 |

32. | Trilok Mathur, Ruchi Mathur and Deepa Sinha, Characterization and Subordination Properties for λ-Spirallike Generalized Sakaguchi Type Functions, Palestine Journal of Mathematics, 2(2) 2013 |

33. | Pallavi Kharbanda, Divya Agarwal and Deepa Sinha, Generalized Univex Functions in Nonsmooth Multiobjective Optimization, Journal of Mathematical Modelling and Algorithms |

34. | Pallavi Kharbanda, Divya Agarwal and Deepa Sinha, Nonsmooth Multiobjective Programming Problem Involving $(d_{I}-\rho-\sigma)$-Vtype I Functions, International Journal of Operational Research |

35. | Pallavi Kharbanda, Divya Agarwal and Deepa Sinha, Second Order Nonsmooth Multiobjective Fractional Programming Problem Involving Support Functions, Journal of Applied Mathematics and Informatics, Accepted for publication. XJFJG |

36. | Deepa Sinha, Ayushi Dhama and B.D.Acharya, Unitary Addition Cayley Signed Graphs, European Journal of Pure and Applied Mathematics, 6(2) (2013), 189-210. |

37. | Anoop Kumar, Phool Singh N.S. Tomer and Deepa Sinha, Analysis of Porosity Effects on Unsteady Stretching Permeable Sheet, Walailak Journal of Science and Technology (WJST), Thailand. |

38. | Pallavi Kharbanda, Divya Agarwal and Deepa Sinha, Nonsmooth Multiobjective Optimization involving Generalized Univex Functions, OPSEARCH, |

39. | D. Sinha and J. Kaur, Edge friendly labelings of graph-I, Ars Combinatoria, Accepted for publication. |

40. | D. Sinha and J. Kaur, Region indices of friendly labeling of a planar graph, Utilitas Matematica, Accepted for publication. |

41. | D. Sinha and A. Dhama, Sign-compatibility of some derived signed graphs, Indian Journal of Mathematics, 55(1), 2013. |

42. | D. Sinha and A. Dhama, Canonical Sign-compatibility of some signed graphs, Journal of Combinatorics, Information and System Sciences, Accepted for publication. |

43. | D. Sinha and P. Garg, Balance and Antibalance of Tensor Product of two signed graphs, Thai Journal of Mathematics, 11(1), 2013. |

44. | D. Sinha and J. Kaur, Full friendly index set —I, Discrete Applied Mathematics, 161 (9) (2013), 1262-1274. |

45. | Mukti Acharya and Deepa Sinha, Characterization of signed line digraphs, Discrete Applied Mathematics, 161 (9) 2013, 1170-1172. |

46. | Neeraj Tomer, D. Sinha and P.K. Rai, Evaluating BLEU Metric for English to Hindi Language Using ManTra Machine Translation Engine, International Journal of Advance Research in Computer Science -IJARCS, 3(7) 2012, 318-322. |

47. | Neeraj Tomer and D. Sinha, Evaluating Machine Translation Evaluation’s NIST Metric for English to Hindi Language Machine Translation, The International Journal of Multidisciplinary Academy IJMRA, 2(11) 2012, 359-371. |

48. | Neeraj Tomer and D. Sinha, Evaluating NIST Metric for English to Hindi Language Using ManTra Machine Translation Engine, International Journal of Academy Research Computer Engineering and Technology-IJARCET, 1(8) 2012, 365-369. |

**Books**

- AMIETE Question Answer series, twelve (six + six) solutions to six question papers of Mathematics and six question papers of Numerical analysis & Computer Programming-1998-2001

**Invited Talks**

1. Common edge Signed graphs, 19 Interdisciplinary Mathematics, organized by Department of Statistics, Patna University, Patna-800005 held during Dec. 18-20, 2010.

2. Limits of Functions, Mini MTTS Programme, Number Theory and Algebra organized by Banasthali University, sponsored by National Board for Higher Mathematics Dec. 18-24, 2010.

3. Common edge Signed graphs, National-Conference, Mathematics Meet- 2011, Department of Mathematics, Gujrat University, Ahmedabad, February 3-5, 2011.

4. Three lectures on Basics of graph theory, National Instructional Workshop on graph theory & its applications (WGTA-2011), Centre for Interdisciplinary Mathematical Sciences (CIMS) & Department of Computer Science, Banaras Hindu University, Varanasi-221005, May 23-28, 2011.

5. Consistent signed graphs, National Instructional Workshop on graph theory & its applications (WGTA-2011), Centre for Interdisciplinary Mathematical Sciences (CIMS) & Department of Computer Science, Banaras Hindu University, Varanasi-221005, May 23-28, 2011.

6. Application of networks, National Conference on Mathematical Modeling and Computer Simulation, Bhabha Group of Institutions, July 7-9, 2011.

7.Unitary Cayley Graph and addition Unitary Cayley graph, INTERNATIONAL CONFERENCE ON MATHEMATICS IN ENGINEERING & BUSINESS MANAGEMENT, STELLA MARIS COLLEGE (AUTONOMOUS), CHENNAI AND LOYOLA INSTITUTE OF BUSINESS ADMINISTRATION, CHENNAI, MARCH 9 - 10, 2012.

8. Unitary Cayley Signed Graphs, International Conference on Emerging Trends in fluid Mechanics and Graph Theory, Christ University, Bangalore, August 16-18, 2012.

9. On the Unitary Cayley Signed Graphs, National Seminar on Frontiers of Mathematics-2012, Ethiraj College for Women, Chennai-600008, October 15-16, 2012.

10.Unitary Addition Cayley Signed Graphs, National workshop on Mathematics and its Applications-2012, Department Of Mathematics, Deenbandhu Chhotu Ram University of Science & Technology, Murthal (Sonepat) Haryana, Otober 18-19, 2012.

11.Negation Switching Invariant t-path signed Graphs, International Conference on Discrete Mathematics, Wrangler Dr. D.C. Pavate Institute of Mathematical Sciences (PIMSci), Karnatak University Campus, Pavate Nagar, Dharwad-580003, KARNATAKA, June 10-14, 2013.

**Ph.D Thesis Supervised**

S.No. | Title | Scholar Name | Co-Supervisor |

1. | Evaluating machine translation Evaluation metrics for english to hindi language machine translation | Dr. Neeraj Tomar, 2012 | - |

2. | An excursion to some emerging frontiers of the Theory of Signed graphs | Dr. Pravin Garg, 2012 | - |

3. | Numerical Computation of Heat and Mass Transfer Problems using Discretization Scheme | Dr. Phool Singh, 2011 | Dr. N.S. Tomer |

4. | New Frontiers Of Some Supply Chain Mode For Perishable Products with Variable Demand Rate | Dr. Diksha Bhatia, 2011 | Dr. S.R. Singh |

M.Phil Thesis Supervised

M.Phil Thesis Supervised

S.No. | Title | Scholar Name | Co-Supervisor |

1. | Degree Sequence of Graphs and signed Graphs | Ms. Kumari Jyotsna, 2012 | - |

2. | Consistent marked graph and marked Signed Graph | Ms. Hina Saraswat, 2011 | - |

3. | Study of Algebraic Structures as graphs | Ms. Anjali Singh, 2011 | - |

4. | Excursion through Arithmetic and graceful labeling of the graphs | Ms. Shalini Jain, 2010 | - |

5. | Studies on the balancing, minimal balancing and the minimum balancing processes with Planar and Nonplanar structures | Ms. Ayushi Dhama, 2010 | - |

6. | Spectra and energy of Graphs | Ms. Anju Rani, 2009 | - |

7. | The study of a sigraphs and Algo to convert a sigraph into other sigraph equation using some operator | Ms. Priya Kataria, 2009 | - |

**Professional Experience**

Employer | Period |

South Asian University, Delhi-21 | 1 August, 2012 till date |

Delhi Technological University, Delhi-42 | 15 July, 2012 to 31 July, 2012 |

Banasthali Vidyapith, Banasthali, Rajasthan | 4th July, 2004 to 15th July 2012 |

Mahila Institute of Technology, Kashmere gate, New Delhi | 1st Jan. 2001 to May, 2002 |

Guru Prem Sukh Memorial College of Engg., Delhi-110085 | 1st Aug. 2000 to May 2001. |

Delhi College of Engineering, Bawana Road, Delhi-42 | 1st Sep., 1999 to 7th Dec. 2000 |

Khalsa Girls Degree College, Harjinder Nagar, Kanpur-7 | 1st July, 1996 to 31st August 1999 |

**Memberships**

- Academy of Discrete Mathematics and Applications (ADMA)
- Ramanujan Mathematical Society (RMS)
- Indian Mathematical Society (IMS)

**Conferences/Workshops**

1. Conference on Graph Theory and its Applications, Anna University, Chennai, March 14-16, 2001, and presented the paper “A Characterization of signed graphs which are switching equivalent to their jump signed graphs”

2. National Workshop on Emerging Frontiers in Combinatorial Optimization conducted at Department of Mathematics, University of Pune, June 21-28, 2002

3. R.C.Bose Centenary Workshop on Discrete Mathematics and Applications, Indian Statistical Institute, Kolkata, December 15-19, 2002

4. R.C.Bose Centenary Symposium on Discrete Mathematics and Applications, Indian Statistical Institute, Kolkata, December 20-23, 2002 and presented the paper “Characterization of line signed graphs”

5. Group Discussion on Energy of a Graph, Department of Mathematics, Karnataka University, Dharwad, July 7-15, 2003

6. National Conference on Information Technology, Operations Research and Computing, Dau Dayal Institute of Vocational Education, Dr. B.R.Ambedkar University, Agra, April 10-12, 2004, and presented the paper “Characterization of Sigraphs whose Iterated Line Sigraphs are S-Consistent”

7. 19th Annual Conference, Ramanujan Mathematical Society, Department of Mathematics, Dr. B.R. Ambedkar University, Agra, July 21-24, 2004, and presented the paper “Characterization of Sigraphs whose Line Sigraphs are SConsistent”

8. National Seminar on Algebra, Analysis and Discrete Mathematics, University of Kerala, January 12-14, 2005, and presented the paper “Negation Switching invariant 2-path and 3-path signed graphs"

9. CARDMATH Group Discussion on Signed Discrete Structures and Applications, Regional Institute of Education (RIE), Mysore, November 15-24, 2005 and was a Tutorial head for the Group Discussion.

10.National Seminar on Recent Trends in Combinatorics and its Applications (NSRTCA-2006), Banasthali Vidyapith, March 5-6, 2006 (Organizer).

11.National Workshop on Graph Theory and Applications, North Eastern Regional Institute of Science and Technology (NERIST), Nirjuli (Itanagar), October 9-16, 2006.

12.Training Program on Stochastic Modeling: Concepts, Theory & Applications, Banasthali Vidyapith, December 2-15, 2006 (Organizer).

13.International Conference on Discrete Mathematics, Indian Institute of science, Bangalore, December 15-18, 2006, and presented the paper “Negation Switching invariant 2-path Sigraphs".

14.International Conference on Number Theory and Combinatorics, Shanmugha Arts, Science, Technology & Research Academy, SASTRA University, Kumbakonam, December 19-22, 2006, and presented the paper “SignCompatibility of Some Sigraph Equations".

15.National Seminar on Models of Embedded Computation, Banasthali Vidyapith, March 15-19, 2007(Organizer).

16.National Workshop on Bayesian Techniques and its Applications, Banasthali University, Oct 1-7, 2008(Organizer).

17.International Jubilee Conference on Women’s Education, Banasthali University, November 11-13, 2008.

18.Training Programme on Optimization Techniques, Banasthali University, December 24-29, 2008. (Organizer).

19.Pre Conference workshop on Discrete Mathematics, Banasthali University January 6-10, 2009, Coordinator.

20.International, Jubilee Conference on Discrete Mathematics, Banasthali University, 11-13 Jan 2009, and presented the paper “Characterization of Line Sidigraph”.

21.National Workshop on “INTRODUCTION TO GRAPHS AND GEOMETRIC ALGORITHMS”, Birla Institute of Technology & Science, Pilani-333031, Rajasthan, 22-24 January 2009.

22.National Seminar on Time Series Modeling, Banasthali University, Oct. 3-6, 2009(Organizer).

23.National Workshop on Mathematical Modeling, Banasthali University, Dec. 15-19, 2009(Co-Coordinator).

24.National Workshop on Graph Theory Applied to Chemistry, Centre for Mathematical Sciences, Pala, Kerala, February 1-3, 2010.

25.National Workshop on Discrete Mathematics, Banasthali University, May 1-5, 2010(Coordinator).

26. International Congress of Mathematicians, Hydrabad, August 19-27, 2010.

27. 19th International Conference of FIM, Patna University, Patna, 18-20 December 2010.

28.National Conference, Mathematics Meet -2011, Department of Mathematics, Gujarat University, Ahmedabad, February 3-5, 2011.

29. National Workshop on Block design and Applications, Banasthali Feb 5-8, 2011. (Organizer)

30.National Workshop on Inventory Modeling, Centre for Mathematical Sciences, Banasthali, March 4-7, 2011.( Organizer)

31.National Instructional Workshop on GRAPH THEORY & ITS APPLICATIONS (WGTA-2011), Centre for Interdisciplinary Mathematical Sciences(CIMS) & Department of Computer Science, Banaras Hindu University, Varanasi-221005, May 23-28, 2011.

32. National Conference on Mathematical Modeling and Computer Simulation, Bhabha Group of Institutions, July 7-9, 2011.

33.National Workshop on Linear and Non-Linear Systems, Banasthali University, Dec. 15-19, 2011(Coordinator).

34.International Conference On Mathematics In Engineering & Business Management, STELLA MARIS COLLEGE (AUTONOMOUS), CHENNAI AND LOYOLA INSTITUTE OF BUSINESS ADMINISTRATION, Chennai, March 9 - 10, 2012.

35.National Workshop on Inventory and Transportation, Banasthali University, March 15-18, 2012(Organizer).

36. National Workshop on Cryptography and Number Theory, Banasthali University, May 15-18, 2012(Coordinator).

37. "Pre-Conference Workshop on Algebraic Graph Theory" organized by Department of Mathematics, V.V.Vanniaperumal during 4-7 June, 2012.

38. "Eighth Annual Conference of Academy of Discrete Mathematics and Application (ADMA) and Graph Theory Day VIII" organized by Department of Mathematics, V.V.Vanniaperumal, 8-10 June, 2012

39.International Conference on Emerging Trends in fluid Mechanics and Graph Theory, Christ University, Bangalore, August 16-18, 2012. (Invited Speaker).

40. National Seminar on Frontiers of Mathematics-2012, Department of Mathematics, Ethiraj College for Women, Chennai-600008, October 15-16, 2012. (Invited Speaker).

41.National workshop on Mathematics and its Applications, Department Of Mathematics, Deenbandhu Chhotu Ram University of Science & Technology, Murthal (Sonepat) Haryana, October 18-19, 2012. (Invited Speaker).

42. National Workshop on Bio Mathematics and Biostatistics, Banasthali University, November 2-5, 2012.

43.International conference "The Legacy of SrinivasaRamanujan", Department of Mathematics, Delhi University, Delhi, Dec 17-22, 2012.

44.Symposium on Computational Techniques and Mathematical Modeling, Department of Mathematics, South Asian University, New Delhi 110021 (India), April 5-6, 2013.

45.Instructional Workshop on Applied Mathematics, Department of Mathematics, South Asian University, New Delhi 110021 (India), May 6-10, 2013.

46.Pre-ICDM-2013 Instructional Workshop on Recent Advances in Spectral Graph Theory, Wrangler Dr. D.C. Pavate Institute of Mathematical Sciences (PIMSci), Karnatak University Campus, Pavate Nagar, Dharwad-580003, KARNATAKA, June 5-9, 2013.

47.International Conference on Discrete Mathematics, Wrangler Dr. D.C. Pavate Institute of Mathematical Sciences (PIMSci), Karnatak University Campus, Pavate Nagar, Dharwad-580003, KARNATAKA, June 10-14, 2013.

2. National Workshop on Emerging Frontiers in Combinatorial Optimization conducted at Department of Mathematics, University of Pune, June 21-28, 2002

3. R.C.Bose Centenary Workshop on Discrete Mathematics and Applications, Indian Statistical Institute, Kolkata, December 15-19, 2002

4. R.C.Bose Centenary Symposium on Discrete Mathematics and Applications, Indian Statistical Institute, Kolkata, December 20-23, 2002 and presented the paper “Characterization of line signed graphs”

5. Group Discussion on Energy of a Graph, Department of Mathematics, Karnataka University, Dharwad, July 7-15, 2003

6. National Conference on Information Technology, Operations Research and Computing, Dau Dayal Institute of Vocational Education, Dr. B.R.Ambedkar University, Agra, April 10-12, 2004, and presented the paper “Characterization of Sigraphs whose Iterated Line Sigraphs are S-Consistent”

7. 19th Annual Conference, Ramanujan Mathematical Society, Department of Mathematics, Dr. B.R. Ambedkar University, Agra, July 21-24, 2004, and presented the paper “Characterization of Sigraphs whose Line Sigraphs are SConsistent”

8. National Seminar on Algebra, Analysis and Discrete Mathematics, University of Kerala, January 12-14, 2005, and presented the paper “Negation Switching invariant 2-path and 3-path signed graphs"

9. CARDMATH Group Discussion on Signed Discrete Structures and Applications, Regional Institute of Education (RIE), Mysore, November 15-24, 2005 and was a Tutorial head for the Group Discussion.

10.National Seminar on Recent Trends in Combinatorics and its Applications (NSRTCA-2006), Banasthali Vidyapith, March 5-6, 2006 (Organizer).

11.National Workshop on Graph Theory and Applications, North Eastern Regional Institute of Science and Technology (NERIST), Nirjuli (Itanagar), October 9-16, 2006.

12.Training Program on Stochastic Modeling: Concepts, Theory & Applications, Banasthali Vidyapith, December 2-15, 2006 (Organizer).

13.International Conference on Discrete Mathematics, Indian Institute of science, Bangalore, December 15-18, 2006, and presented the paper “Negation Switching invariant 2-path Sigraphs".

14.International Conference on Number Theory and Combinatorics, Shanmugha Arts, Science, Technology & Research Academy, SASTRA University, Kumbakonam, December 19-22, 2006, and presented the paper “SignCompatibility of Some Sigraph Equations".

15.National Seminar on Models of Embedded Computation, Banasthali Vidyapith, March 15-19, 2007(Organizer).

16.National Workshop on Bayesian Techniques and its Applications, Banasthali University, Oct 1-7, 2008(Organizer).

17.International Jubilee Conference on Women’s Education, Banasthali University, November 11-13, 2008.

18.Training Programme on Optimization Techniques, Banasthali University, December 24-29, 2008. (Organizer).

19.Pre Conference workshop on Discrete Mathematics, Banasthali University January 6-10, 2009, Coordinator.

20.International, Jubilee Conference on Discrete Mathematics, Banasthali University, 11-13 Jan 2009, and presented the paper “Characterization of Line Sidigraph”.

21.National Workshop on “INTRODUCTION TO GRAPHS AND GEOMETRIC ALGORITHMS”, Birla Institute of Technology & Science, Pilani-333031, Rajasthan, 22-24 January 2009.

22.National Seminar on Time Series Modeling, Banasthali University, Oct. 3-6, 2009(Organizer).

23.National Workshop on Mathematical Modeling, Banasthali University, Dec. 15-19, 2009(Co-Coordinator).

24.National Workshop on Graph Theory Applied to Chemistry, Centre for Mathematical Sciences, Pala, Kerala, February 1-3, 2010.

25.National Workshop on Discrete Mathematics, Banasthali University, May 1-5, 2010(Coordinator).

26. International Congress of Mathematicians, Hydrabad, August 19-27, 2010.

27. 19th International Conference of FIM, Patna University, Patna, 18-20 December 2010.

28.National Conference, Mathematics Meet -2011, Department of Mathematics, Gujarat University, Ahmedabad, February 3-5, 2011.

29. National Workshop on Block design and Applications, Banasthali Feb 5-8, 2011. (Organizer)

30.National Workshop on Inventory Modeling, Centre for Mathematical Sciences, Banasthali, March 4-7, 2011.( Organizer)

31.National Instructional Workshop on GRAPH THEORY & ITS APPLICATIONS (WGTA-2011), Centre for Interdisciplinary Mathematical Sciences(CIMS) & Department of Computer Science, Banaras Hindu University, Varanasi-221005, May 23-28, 2011.

32. National Conference on Mathematical Modeling and Computer Simulation, Bhabha Group of Institutions, July 7-9, 2011.

33.National Workshop on Linear and Non-Linear Systems, Banasthali University, Dec. 15-19, 2011(Coordinator).

34.International Conference On Mathematics In Engineering & Business Management, STELLA MARIS COLLEGE (AUTONOMOUS), CHENNAI AND LOYOLA INSTITUTE OF BUSINESS ADMINISTRATION, Chennai, March 9 - 10, 2012.

35.National Workshop on Inventory and Transportation, Banasthali University, March 15-18, 2012(Organizer).

36. National Workshop on Cryptography and Number Theory, Banasthali University, May 15-18, 2012(Coordinator).

37. "Pre-Conference Workshop on Algebraic Graph Theory" organized by Department of Mathematics, V.V.Vanniaperumal during 4-7 June, 2012.

38. "Eighth Annual Conference of Academy of Discrete Mathematics and Application (ADMA) and Graph Theory Day VIII" organized by Department of Mathematics, V.V.Vanniaperumal, 8-10 June, 2012

39.International Conference on Emerging Trends in fluid Mechanics and Graph Theory, Christ University, Bangalore, August 16-18, 2012. (Invited Speaker).

40. National Seminar on Frontiers of Mathematics-2012, Department of Mathematics, Ethiraj College for Women, Chennai-600008, October 15-16, 2012. (Invited Speaker).

41.National workshop on Mathematics and its Applications, Department Of Mathematics, Deenbandhu Chhotu Ram University of Science & Technology, Murthal (Sonepat) Haryana, October 18-19, 2012. (Invited Speaker).

42. National Workshop on Bio Mathematics and Biostatistics, Banasthali University, November 2-5, 2012.

43.International conference "The Legacy of SrinivasaRamanujan", Department of Mathematics, Delhi University, Delhi, Dec 17-22, 2012.

44.Symposium on Computational Techniques and Mathematical Modeling, Department of Mathematics, South Asian University, New Delhi 110021 (India), April 5-6, 2013.

45.Instructional Workshop on Applied Mathematics, Department of Mathematics, South Asian University, New Delhi 110021 (India), May 6-10, 2013.

46.Pre-ICDM-2013 Instructional Workshop on Recent Advances in Spectral Graph Theory, Wrangler Dr. D.C. Pavate Institute of Mathematical Sciences (PIMSci), Karnatak University Campus, Pavate Nagar, Dharwad-580003, KARNATAKA, June 5-9, 2013.

47.International Conference on Discrete Mathematics, Wrangler Dr. D.C. Pavate Institute of Mathematical Sciences (PIMSci), Karnatak University Campus, Pavate Nagar, Dharwad-580003, KARNATAKA, June 10-14, 2013.

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