Mr. S. Vishwanath from Bangalore has proved that paddy can be successfully grown on rooftops making use of grey water and wastewater. On a 400 sq. ft roof area one can raise 80 kg of rice in a year.
For details you an contact Mr. S. Vishwanath at Rainwater Club, No. 1022, 6th Block, 1st Floor, HMT Layout, Vidyaranyapura Main Road, Vidyaranyapura, Bangalore - 560 097, phone080-41672790 , website: www.rainwaterclub.org, email: firstname.lastname@example.org , mobile: 9901992690.