Don't rest on laurels, Sebi chief tells BSE officialsBS Reporter / Mumbai July 9, 2007M Damodaran, chairman, Securities and Exchange Board of India (Sebi) today asked the Bombay Stock Exchange (BSE) to introduce more products, cut costs and look at other ways to increase business so that it could catch up with its rival, the National Stock Exchange (NSE), which has run away with market share in stock market volumes.He was speaking on the occasion of BSE