- Biordered Sets from a Complemented Modular Lattice, Proceedings of the International Conference on Algebra and Discrete Mathematics, Madurai Kamaraj University, Madurai, January 08-10, ISSN :2348-6600, 2018.
- Abelian Normal Category of Semisimple R-Modules, Proceedings of the International Conference on Algebra and Discrete Mathematics, Madurai Kamaraj University, Madurai, January 08-10, ISSN :2348-6600, 2018.
- Ideal Categories of Semigroups, Proceedings of 11th International Conference MSAST 2017, December 21-23, IMBS International Research Institute, Kolkutta, India, P. 71-81.
- On lattice of biordered ideals of regular rings; http://ciencias.pt/en/conferencia/csa-2016/ International Conference on Semigroups and Automata (CSA-2016), University of Lisbon, Portugal, June 20-24, 2016.
- Embedding of Rees Matrix Semigroup Amalgam (jointly with Smisha M A), Proceedings of ICSAA-2015, ISBN 978-93-80095-80-6, March 2016.
- Biorder Ideals and Regular Rings; (jointly with R. Akhila), Algebra and Applications, Springer Proceedings in Mathematics and Statistics, 174,DOI 10,1007/978-981-10-16516.6_15,2016.
- Abelian Normal Categories, Proceedings of 9th International Conference of IMBS, Kolkutta, India December 21- 23, 2015, ISBN 978-81-925832-3-5, Vol 4 P.274.
- Biordered Sets and Regular Rings, Semigroups Algebras and Operator Theory, Springer Proceedings in Mathematics and Statistics, ISSN 2194-1009, Vol. 142, 2015.
- Biordered Sets and Von Neumann Algebras, Proceedings of Sixth International Conference MSAST 2012, IMBS International Research Institute, Kolkutta, December 21- 23,2012, P.59.
- Biordered sets and lattice of projections of von Neumann algebras, Proceedings of the National seminar on Algebra, Analysis and Discrete Mathematics, Department of Mathematics, University of Kerala, Feb. 2012. page 55-59.
- Rees Matrix Semigroup of a Rectangular Band (jointly with Diana MaryGeorge), Proceedings of the International Conference on Algebra and its Applications, Periyar Maniammai University, December 2011, page 115-120.
- Representations of Unit Regular Semigroups, Proceedings of the Fifth International Conference MSAST 2011, IMBS International Research Institute, Kolkutta, December 18- 20, P.68.
- Coextensions of Weakly Abundant Semigroups, Fourth International Conference MSAST 2010, IMBS International Research Institute, Kolkutta, December 19-21, 2010.
- Coextensions of Weakly Abundant Semigroups, Proceedings of the International Conference on Groupoids, Semigroups and Automata, University of Kerala, 2010.
- Cross-connection Semigroups and Duality, Proceedings of the International Conference on Algebra and its applications, Aligarh Muslim University, Aligarh, Feb 20 – 22, 2010.
- Coextensions of Abundant Semigroups by Fundamental Semigroups, Proceeding of the National Seminar on Algebra, Analysis and Discrete Mathematics, University of Kerala, December 2008, page 39-45.
- Connections and Dual Connections of Adequate Semigroups, Proceeding of the National Seminar on Algebra, Analysis and Discrete Mathematics, University of Kerala, November 2007.
- Ideal Categories of Concordant Semigroups, Proceeding of the International Symposium on Semigroup and Applications, University of Kerala, August 2006.
- Balanced Categories and Generalized Green’s Relations, Proceedins of the National Seminar on Algebra, Analysis and Discrete Mathematics, University of Kerala, January 2005.
- On the Abundant Semigroup BL(H), Proceedings of the International Seminar on Mathematical Tradition of Kerala, St. Dominic’s College, Kanjirapally, Kerala, January 2000.
- Semigroup of Bounded Linear Operators on a Hilbert Space, Proceedings of the National Seminar on Recent Trends in Algebra and its Applications, Annamalai University, August 1999.
- Generalized Green’s Relations on Semigroup of Operators, Proceedins of the International Conference on Algebra and its Applications, Aligrah Muslim University, Aligarh, Nov. 13 – 16, 1997.
- Balanced Categoy B(H) of Closed Subspaces of a Hilbert Space, Proceedings of the International Symposium on Regular Semigroup, University of Kerala, July 4 – 7, 1995.
- Cross Connections of Concordant Semigroups – 1, Proceeding of the fourth Ramanujan Symposium, University of Madras, Feb. 1995.
- Linear Partial Semigroups, Proceedings of the international virtual conference on bridging innovative trends in Mathematicsm Engineering & Technology (BITMET 20), Bennari Amman Institute of Technology, Sathyamangalam, Tamilnadu, India 18-19 December 2020.
- Cluster Algebras arise from quivers, Proceedings of the International Web Conference on Emerging Areas of Mathematics and Mathematical Sciences (IWCEAMMS-2020), Calcutta Mathematical Society, Kolkatta, December 12-14, 2020.
Research Publications
In Proceedings of Conferences