WHILE travelling to Calcutta with friends, Pankaj Mehndiratta, 20, had a brainwave. This recent graduate from Delhi's Deshbandhu Gupta College was sure he didn't want to join the family's furniture business. With a small basement at his disposal, he decided a pool table was just the thing to install in it. And given the capital's new-found obsession with this all-American sport, the idea made good business sense.