� Robert A. Welch Foundation Fellow, Texas, USA
� IUCr Young Scientist Award
� DBT Overseas Visiting Scientist
� DST Research Associate Award
� INSA Overseas Visiting Scientist -2000
� Visiting Scientist to BNL, USA
� Tamil Nadu Scientist Award, TANSA -2003
� DAAD Overseas Visiting Scientist
� INSA Overseas Visiting Scientist -2006
