Shares of One97 Communications, which operates Paytm are likely to gain on March 15 after the National Payments Corporation of India (NPCI) granted the company to function as a third-party application provider (TPAP) on Unified Payments Interface (UPI). In response, Morgan Stanley analysts shared an 'equal-weight' call on the counter with a target price of Rs 555, implying an upside of 57 percent from current level.