One Day Intercollegiate Seminar & Competitions on Preservation of the Ozone on 16.09.2022 at 10.00 am organized by Dept. of Chemistry By admin | Events | 15 September 2022 One Day Intercollegiate Seminar & Competitions on Preservation of the Ozone on 16.09.2022 at 10.00 am organized by Dept. of Chemistry