Expecting a gap down opening on the basis of expected rate high by FED and RBI as per data of fed and RBI statement yesterday. the opening is expected around 17500. intraday support levels will be 17495/438/355(budget day low). the oi data suggests that the close should be in range of 17550-650, with trading rage expected to be 17450-17650. Today is monthly expiry and expected to be highly volatile, though should present good scalping opportunities. plan to trade with small quantity.