Chandan Kumar shifted from Delhi to Ranchi, the capital of Jharkhand, with his family. The Namkum area of ??Ranchi where Kumar lives is green and quiet, away from the hustle and bustle of the city. But the scorching heat that prevailed for a few days in Ranchi in April this year, forced him to install an air conditioner in his apartment. “Although the weather of Ranchi is usually much more pleasant than Delhi, after the heat wave in April, I got the AC installed,” said Kumar who wasn’t keen on installing it at first. Another resident of Ranchi, Gopal, speaking…