Nifty Bank Short Straddle (Sell Straddle) Expiry day

Nifty Bank is moving between the range of 18000 and 17850
currently at 17930 levels
Selling Call @ 51 and Put @ 56 of 17900 strike price.
Exit if 18000 breach on up side or 17850 on down.

Will update E.O.D data.