| 2nd International Conference on Chemistry, Industry Environment (ICCIE-2019) February 18-19, 2019 | | |
| National Conference on Chemistry, Industry and Environment, February 9-11, 1998 | | |
| BRNS-IANCAS National Workshop on Radiochemistry and Applications of Radioisotopes, February 8-15, 1999 | | |
| National Workshop on Advances in Polymeric Materials, September 21-22, 2013 | | |
