Professor, 11 December 2024 - present
Department of Mathematics, IIT Guwahati

Associate Professor, 22 April 2017 - 10 December 2024
Department of Mathematics, IIT Guwahati

Assistant Professor, 7 October 2009 - 21 April 2017
Department of Mathematics, IIT Guwahati

Project Associate, January 2009 - September 2009
Department of Mathematics & Statistics, IIT Kanpur