Struggling bourse MCX-SX has got a go-ahead by SEBI to launch fresh contracts. In a statement issued yesterday in Mumbai, MCX-SX Managing Director and Chief Executive Saurabh Sarkar said that the exchange will be launching contracts in currency futures, currency options, interest rate futures, equity and index derivatives.The exchange, which started operations in 2012, had been facing problems ever since troubles started for its original promoter Financial Technologies. The country's first privately promoted equity stock exchange had mid last year discontinued its equity trading following regulatory and financial troubles at its parent Financial Technologies (India) Ltd.