Date of birth 25.02.1954 – born in Shillong, then Capital of Assam. Schooling , Partially in Shillong and partly in Guwahati, HSLC under Assam Board, ( 1970) P.U ( 1971) , Graduation ( 1974), Post-Graduation (1976) from Guwahati University. National Scholarship Holder with First Class in Pol Sc. Hons and First Class First Gold Medalist in M.A. Pol .Sc. From 1979-81 Ph.D Course Work under University of Philippines .Completed Ph.D from Calcutta University in 1993. Visited University of Liberal Arts .Bangladesh for inaugural speech in the Department of Sustainable Development. Visited Queensland University Australia in 2002, Quala Zulu Natal University, South Africa 2006. University of Seims Malaysia 2007. University of North Texas in 2011 the Department of Parent Education and Parenting , 2010 University of Gothenburg , 2013, Academia Sinica ,Taiwan , 2014 Yokohama University , Japan, 2016 Vienna University, Austria and 2018 University of Toronto for academic visit.