Chemistry Teacher, July–November (1996-2000), Shape Education Point, Muzaffarpur.
Teaching Associate (TA) in CH415 (Inorganic Chemistry Laboratory for M.Sc.), July–November (2009), Department of Chemistry, IIT Guwahati.
Teaching Associate (TA) in CH110 (General Chemistry Laboratory for B.Tech.), July–November (2010), Department of Chemistry, IIT Guwahati.
Teaching Associate (TA) in CH101 (General chemistry theory course for B. Tech. programme), July–November (2010), Department of Chemistry, IIT Guwahati.
Teaching Associate (TA) in CH110 (General Chemistry Laboratory for B.Tech.), July–November (2011), Department of Chemistry, IIT Guwahati.
Teaching Associate (TA) in CH101 (General chemistry theory course for B. Tech. programme), July–November (2011), Department of Chemistry, IIT Guwahati.