Dear Umair, good morning from Rio de Janeiro. The heat on the Indian subcontinent can be driven back within years with the right kind of measures. I cooled a small valley in Brazil by maybe 4C in 5 years. It can be done through water cycle management and revegetation. Look at this site, it is low cost, low tech and very fast. They do it in Africa, but it can be done in Rajasthan, Gujarat, the Punjab, Sindh and Balochistan as well (needs to happen fast in large parts of Iran, Iraq, Yemen etc as well) John Liu even got a plan to regreen the Sinai with very smart regreening with aquatic plants in coastal lagunes. Wake up, we can do it,but we are running out of time. https://justdiggit.org/