Amit Jatia is clearly smitten by the concept of co-investing. The trigger was around seven years ago, when Siddharth Mehta, Bay Capital’s co-founder, told him he was investing in Sterling Holiday Resorts. “I too decided to put in some money and it worked well,” says the 51-year-old. It sure did; Jatia exited with a 3x return after four years.