Sambhunath Biswas obtained the M.Sc. degree in Physics, and Ph.D. in Radiophysics and Electronics, from the University of Calcutta in 1973 and 2001 respectively. In 1983-85 he completed courses of M. Tech. (Computer Science) from Indian Statistical Institute, Calcutta.

His doctoral thesis is on Image Data Compression. He was a UNDP Fellow at MIT, USA to study machine vision in 1988-89 and was exposed to research in the Artificial Intelligence Laboratory. He visited the Australian National University at Canberra in 1995 and joined the school on wavelets theory and its applications. In 2001, he became a representative of the Government of India to visit China for holding talks about collaborative research projects in different Chinese Universities. He visited Italy and France in June, 2010.

He started his carrer in Electrical Industries, in the beginning as a graduate engineering treinee and, then as a design and development engineer. He, at present, is a system analyst, GR-I (in the rank of Professor) at the Machine Intelligence Unit in Indian Statistical Institute, Calcutta where is engaged in research an teaching. He is also an external examiner of the Department of Computer Science at Jadavpur University in Calcutta.

He has published several research articles in International Journals of repute and is a member of IUPRAI (Indian Unit of Pattern Recognition and Artificial Intelligence). He is the  principal author of a book titled Bezier and Splines in Image Processing and Machine Vision, published  by Springer, London.