MET any optimists of late? It isn't easy finding one these days. With manufacturing in the doldrums, exports sputtering, the stockmarket nosediving, commodity and real estate prices crashing, hundreds of jobs on the firing line and the consumer boom under arrest, even the die-hards are wary of talking about silver linings. Yet amidst the gloom there seems hope for a boom in one industry, as a bunch of energetic young entrepreneurs are drawing up blueprints for growth. Meet 41-year-old Rajeev Khanna, grandson of ace hotelier M.S. Oberoi. His brainchild, Chrysalis International, has set up go-karting centres at Powai in Bombay and at Faridabad near Delhi and is all set to go national with ventures in Chandigarh, Bangalore, Calcutta, Ahmedabad and Lucknow. "When other businesses are down, this will be up. In hard times, people are depressed and want to forget the pain. Worldwide spends on entertainment actually jump in such times," he says.