Bengaluru ashram grows 400 kg mango ginger on 500 sq ft, claims 4x yield with Sri Sri Ravi Shankar-backed farming model. Bengaluru's Art of Living Ashram has grown 400 kg of mango ginger on 500 sq ft using permaculture, claiming four times the yield of chemical farming. The Sri Sri Ravi Shankar-inspired initiative promotes sustainable agriculture and waste-to-wealth practices.