1. APPRENTICES TRAINING FROM 11 JULY 2000 TO 10 JULY 2001 AT OFFICE OF THE ASSTT. EXECUTIVE ENGINEER (AGRICULTURE) HOJAI, NAGAON ASSAM.  
2. WORKED AS A SITE ENGINEER FROM 9 NOVEMBER 2001 TO 1 JUNE 2005  UNDER ABCI INFRASTRUCTURE PVT. LTD. GHY.
3. AS A TECHNICAL RESOURCE PERSON FROM 1 OCTOBER 2006 TO 10 MARCH 2017 UNDER OFFICE OF THE DISTRICT MISSION CO-ORDINATOR, AXOM SARBA SIKSHA ABHIJAN MISSION MORIGAON.  