Operation Godavari Clean-up programme was taken up by Puducherry minister for tourism Malladi Krishna Rao on Sunday. Mr Krishna Rao brought about 500 volunteers of the Yanam Pourula Sankshema Sangam and took up the cleaning. The programme started at 7 am and continued till 5 pm. Volunteers picked up all floating waste material like polythene bags, plastic and other materials from the various Godavari ghats.