Awards and Prizes

	Visiting Fellowship from Hannan University, Osaka, Japan during October-November, 2008.
	Visiting Fellowship under International Exchange Program to work at Yonsei University, Seoul, South Korea, during December, 2006-January, 2007.
	Short-term Research Fellowship from JSPS, Japan to work at Hannan University, Osaka, Japan during February-April, 2005.
	Visiting Fellowship from Hannan University, Osaka, Japan during September-October, 2004.
	Visiting Fellowship from University of California, Los Angeles during October-December, 2003.
	Research Fellowship from INSA, India and DFG, Germany during January-April, 2000.
	Fellowship from POLIXEL S.A., Poland for visiting Warsaw University of Technology, Warsaw, Poland during March-April, 2000.
	Fellowship from International Center for Pure and Applied Mathematics (CIMPA), Nice, France to attend a CIMPA-UNSA-UNESCO-CHINA Summer School on Partial Differential Equations and Computer Vision in Beijing, China, during May 1999.

Visiting Fellowship, Hannan University, Osaka, Japan during September-October, 1997.

Selected as an Associate of the Indian Academy of Sciences, 1997.

MONBUSHO (Japanese Government) research fellowship for 1995-97.

INSA Medal for Young Scientists form the Indian National Science Academy, 1995.

Young Scientist award of the Indian Science Congress Association in Computer Science, 1992.

Certificate from the Association for Improvement of Mathematics Teaching, West Bengal, 1981.

National Scholarship during the period 1981-87.