Late Dr. D. Banerjee (Chairman Emeritus  1993-2005 ) is the first Chairman of  IRI (1987 to 1992),
Late Mr. D. Bose (1993-1998)
Mr. Manu M. Patel (1999-2000)
Dr. S. N. Chakravarty (2001-2002)
Mr. Zachariah George (2003-2005)
Mr. P. K. Mohamed (2006-2008)