Dr.A.B.Rajib Hazarika, PhD, FRAS, AES ,Assistant Professor and Head, Dept. of Mathematics, Diphu Govt. College, Diphu. Gazetted officer -I of Assam Education Service (AES), Govt. of Assam. MSc (Maths) in 1992, JRF(UGC,NET), 1993, SRF(UGC,NET), PhD(Maths) 1995 , JNV University, 1995, Best PhD Thesis award Triple Gold Medal for Best Mathematics Thesis, Best Science stream Thesis award, Best Thesis for all stream from Association of Indian Universities, Post Doctoral Fellow, 1998,Plasma Physics division, IASST, Guwahati as Research Associate (DST),Govt. of India. Elected Fellow of Royal Astronomical Society (FRAS), London in 2010. Authored 20 books, Peer reviewer of 10 Journals. Elected Member of 23 Foreign professional academies. Guided two scholars for MPhil degree.He has published 24 books.