ISCA initiated giving awards to eminent Indian Scientists starting from 1965. This gives opportunities to the Association to honour scientists of repute. Until 1988 all the awards were funded by voluntary benevolent donations. From 1988 onwards, ISCA instituted some awards from its own fund.
(i) Awards instituted from benevolent donations
| S. No. | Name of the award/ lecture | Year |
| 1* | B.C. Guha Memorial Lecture | 1965 |
| 2* | G.P. Chatterjee Memorial Award | 1981 |
| 3* | Professor Hira Lal Chakravarty Award | 1984 |
| 4 | Professor K.P. Rode Memorial Lecture | 1989 |
| 5* | Pran Vohra Award | 1989 |
| 6 | Raj Kristo Dutt Memorial Award | 1991 |
| 7* | Professor Umakant Sinha Memorial Award | 1991 |
| 8* | Dr. B.C. Deb Memorial Award for Soil/ Physical Chemistry | 1994-95 |
| 9* | Dr. B.C. Deb Memorial Award for Popularisation of Science | 1994-95 |
| 10* | Prof. R.C. Shah Memorial Lecture | 1995-96 |
| 11* | Prof. R.C. Mehrotra Commemoration Lecture | 1998-99 |
| 12* | Prof. Sushil Kumar Mukherjee Commemoration Lecture | 1999-2000 |
| 13* | Prof. (Mrs.) Anima Sen Memorial Lecture | 2000-2001 |
(ii) Awards instituted by ISCA from its own fund
| S. No. | Name of the award/ lecture | Year |
| 1* | Asutosh Mookerjee Memorial Award | 1988 |
| 2* | C.V. Raman Birth Centenary Award | 1989 |
| 3* | Srinivasa Ramanujan Birth centenary Award | 1989 |
| 4* | Jawaharlal Nehru Birth Centenary Award | 1989-90 |
| 5 | M.N. Saha Birth Centenary Award | 1993-94 |
| 6 | P.C. Mahalanobis Birth Centenary Award | 1993-94 |
| 7 | J.C. Bose Memorial Award | 1993-94 |
| 8 | P.C. Ray Memorial Award | 1993-94 |
| 9* | S.N. Bose Birth Centenary Award | 1994-95 |
| 10* | S.K. Mitra Birth Centenary Award | 1994-95 |
| 11* | Birbal Sahni Birth Centenary Award | 1994-95 |
| 12 | H.J. Bhaba Memorial Award | 1997-98 |
| 13* | S.S. Bhatnagar Memorial Award | 1997-98 |
| 14* | Vikram Sarabhai Memorial Award | 1997-98 |
| 15* | D.S. Kothari Memorial Award | 1997-98 |
| 16 | B.P. Pal Memorial Award | 1997-98 |
| 17* | Jawaharlal Nehru Prize | 1998-99 |
*To be awarded at the 88th session of Indian Science Congress in January, 2001.