India, May 1 -- Adani Enterprises Ltd slipped into a loss in the fourth quarter, as costs jumped amid the company's push into copper assets and airport expansion. The company posted a net loss of Rs.220 crore for the three months ended March 31, compared with a profit of Rs.3,850 crore a year earlier, according to an exchange filing Thursday. Adani Enterprises doesn't have enough estimates to compile a reliable consensus. Revenue rose 20% from a year earlier to Rs.32,440 crore, while total costs rose 23% to Rs.32,460 crore. Adani Enterprises, the flagship of billionaire Gautam Adani's ports-to-power conglomerate, also approved raising as much as Rs.15,000 crore by selling shares....