• Professor (HAG; Scale: 67000-79000), Agricultural and Food Engineering Department, IIT Kharagpur; Sep 2009 onwards.
  • Professor (Scale: PB437400 – 67000, AGP 10500), Agricultural and Food Engineering Department, IIT Kharagpur; Jun 2003 - Aug 2009.
  • Associate Professor, Agricultural and Food Engineering Department, IIT Kharagpur; May 1999 to Jun 2003.
  • Assistant Professor, Agricultural and Food Engineering Department, IIT Kharagpur; Jan 1994 - May 1999.
  • Lecturer, Agricultural and Food Engineering Department, IIT Kharagpur; May 1989 - Jan 1994.
  • Junior Scientist, Agricultural and Food Engineering Department, IIT Kharagpur; Mar 1987 - May 1989.