PhD, MSc, MPhil (Maths), MSc (Stats) & MA (Eco) is professor in the Department of Commerce, Guwahati University, Guwahati. He has the honour of receiving doctoral research award in economics from Guwahati University and also by the UGC. He has more than 32 published research papers to his credit and has authored several books on mathematics and statistics. He has also co-authored few books and constantly and successfully guided several PhD students.