He has been ranked 1 among the top 100 individual researchers across the world who had published research articles in the International Journal of Production Researc h (1985-2010), the top leading author for Supply Chain Analytical Techniques (Comput er & Industri al Engineering ), amo ng T op 20 mo st producti ve autho rs in t he ar ea of Production and Operations Management in the last 50 years (Int.Journal of Produc tion Econom ics, 2 009) and r ated 2nd a mong many researc hers wor kin g in Logis tic s and S upply Chain Manag eme nt in India (Ana lys is o f the logi stics Res ear ch in India -White paper published in TU Dortmund University, Dortmund Germany-2012).