Nifty weakness found

Nifty is in weakness range bound.Nifty is closing near to 16900 Almost 3 to 4 days which is good support and trying to break if nifty break 16900 you can expect a big move and we can go for option buying at [PE] At retest of 16900 as resisatance y because at every restest we have some intensified fall ( if the breakout is real).