Nifty has reversed from the lows with good momentum and broke out the Descending Channel. After the breakout the momentum is still Bullish, however index made a Gap of 200 points between 16-17Mar, possibilities are that this gap will get filled in upcoming sessions. Now talking on Support the 1st zone which can give Nifty a cushion is 16800 while 2nd support will come at 16350, On higher levels Index can see resistance at 17450, 17660 & 18180.