Please excuse my ignorance but what do u mean by
NF in Short : R 5120, S 4980
BNF in Short: R 8960, S 8735
NF in Short : R 5120, S 4980
BNF in Short: R 8960, S 8735
And similarly for BNF=Bank Nifty, we are short and go long above 8960!!!
Enjoy!!!!!!!!!