Gap up opening should sustain 18300 - 18320. Buy above 18320 with the stop at 18280 for the targets 18360, 18400, 18440 and 18480. We have resistance at 18480 - 18500. Bearish below 18300 with the stop at 18340 for the targets 18260,18220 and 18160. Note : Trade along with the trend to be consistent.