He made pioneering contributions to pelletisation, and has developed equations for grinding kinetics in tumbling mills and high pressure grinding rolls.
He has made contributions to the modeling of flotation circuits and to the rheology of concentrated mineral suspensions.
He also developed filters for removal of arsenic and fluorides in order to produce potable water.
His work has been recognized by many organizations.
He is Foreign Associate of the National Academy of Engineering, NAE (USA), Fellow of the Indian Academy of Sciences and the Indian National Academy of Engineering.
He has published more than 150 papers and has 14 patents