Floodwater in Osman Sagar turns green and rancid October 23, 2020 by Hyderabad: Osman Nagar and Shaheen Nagar still flooded water turns green and rancid Hyderabad: Osman Nagar and Shaheen Nagar still flooded water turns green and rancid Hyderabad: Osman Nagar and Shaheen Nagar still flooded water turns green and rancid Hyderabad: Osman Nagar and Shaheen Nagar still flooded water turns green and rancid Hyderabad: Osman Nagar and Shaheen Nagar still flooded water turns green and rancid Hyderabad: Osman Nagar and Shaheen Nagar still flooded water turns green and rancid