Paediatric and Paediatric Surgery
Asst. Prof. & Assoc. Prof. at Assam Medical College, Dibrugarh from 1985 to 2002
Prof. of Paediatric Surgery & Vice Principal at Gauhati Medical College, from 2003 to 2013
Principal of Tezpur Medical College, from 2014 to 2016
Consultant Paediatric Surgeon, down town hospital since 2000