The third edition of the Paryawaloka lecture series organized by the Development Studies Students' Society happened on 03rd May,2023 at the Department of Geography  under the topic "The effects of contemporary development activities on environmental protection".  We are grateful to Senior Lecturer Mr K.M. Suresh Ruvinda from the Department of Zoology and Environmental Management of the Faculty of Science for his time and support in conducting this session for the students.