| 1968 | National Science Talent Search Scholarship, NCERT India. |
| 1979 | Young scientist medal, Indian National Science Academy. |
| 1981 | Kani Medal, National Cancer Research Centre, Tokyo, Japan. |
| 1990 | Shanti Swarup Bhatnagar Award in Biological Sciences, CSIR, India. |
| 1998 | C. R. Krishnamurthy Oration Award, Society of Biological Chemists, India. |
| 1999 | FICCI Award 1998-99 in recognition of individual initiative in Life Sciences including Agriculture, Federation of Indian Chambers of Commerce and Industry. |
| 2000 | Millennium Medal, Indian Science Congress. |
| 2002 | Ranbaxy Research Award for the year 2001 in the field of “Medical Science – Medical Research”, Ranbaxy Science Foundation. |
| 2003 | Goyal Prize 2001; Life Sciences, Kurukshetra University. |
| 2004 | Prof. P.K. Bose Memorial Award, Indian Chemical Society. |
| 2005 | Dr. B.R. Ambedkar Centenary Award for Excellence in Biomedical Research, Indian Council of Medical Research. |
| 2007 | H. K. Firodia Awards For Excellence In Science and Technology, H.K. Firodia Memorial Foundation. |
| 2007 | Padma Bhushan Dr. R.A.Mashelkar Medal, Asian Paints. |
| 2008 2005 | VASVIK Award for Biological S&T, Vividhlaxi Audyogik Samshodhan Vikas Kendra. |
| 2008 | 6th Biospectrum person of the year-2008, Biospectrum. |
| 2008 | Distinguished Alumni IISc, Alumni Association, Indian Institute of Science. |
| 2009 | SS Bhatnagar Memorial Award and Gold Medal, Indian Science Congress. |
| 2009 | The Jagadis Chandra Bose Medal 2007, Indian National Science Academy. |
| 2009 2008 | Shri Om Prakash Bhasin Award for S&T (Biotechnology), Shri O. P. B.Foundation for S&T. |
| 2009 | D.Sc. (Honoris causa), Vidyasagar University, India. |
| 2010 | D.Sc. (Honoris causa), Kalyani University, India. |
| 2011 | D.Sc. (Honoris causa), National Institute of Technology, Silchar, India. |
| 2012 | D.Sc. (Honoris causa), Amity University, Jaipur, India. |
| 2012 | J.C Bose Fellowship Award, DST, India. |
| 2012 | Bharat Asmita Vigyan Tantragyaan Shreshtha Award, Maharashtra Institute of Technology, India |
| 2013 | D.Sc. (Honoriscausa), Bastar University, Jagdalpur (Chhatisgarh), India |
| 2013 | BangaBibhushan Award (Highest Civilian Award), Govt. of West Bengal, India |
| 2015 | Nihil Ultra Award of Excellence, St. Xavier's College, Kolkata |
