2000: Participated in “NATIONAL CONFERENCE ON RECENT DEVELOPMENTIN MATHEMATICS AND APPLICATIONS” from 14 to 16th March 2001. At Assam University, Silchar.

2002: Participated in “REFRESHER COURSE IN MATHEMATICS” Sponsored by UGC – RCC in Assam University, Silchar.

2003: Participated in “WINTER SCHOOL OF COMPUTER PROGRAMMING” organized by Computer & Statistical Service Centre. ( INDIN STATISTICAL INSTITUTE, KOLKATA) in the Deptt. of Mathematics, Assam University, Silchar.

2003: Participated in the “ORIENTATION PROGRAMME” in the Academic Staff College, Jamia Millia Islamia, New Delhi, from 8th July to 5th August, 2003.

2004: Participated as teacher Participant, in “MATHEMATICS TRAINING AND TELENT SEARCH PROGRAMME” AT IIT Guwahati, Sponsored by NBHM – Mumbai, from 21st June to 28th June 2004.

2004: Participated in the “INSTRUCTIONAL WORKSHOP ON ALGEBRIC GRAPH THEOTY” sponsored by NBHM held in the Deptt. of Mathematics IIT, Guwahati from 9th to 18th December, 04.

2005: Participated in "FOURTH WORKSHOPS ON COMPUTATIONAL INFORMATION PROCESSING"Organaised by Electonics and Communication Sciences Unit, ISI, Kolkata At Institute of Advance Study in Science and Technology,Guwahati ,from March 8-11,2005

2006: Participated in " REFRESHER COURSES in Foundations of Computer Science And Applications" Sponsored by UGC_RCC in Tezpur University , Tezpur,NapaamFrom 6-26 Feb,2006

2006: Participatedin"ANNULFOUNDATION SCHOOL –II supported by NBHM,At BHASKARACHARYA PRATISTHANA ,MAHARASTRA,PUNE