Question

plz plz... help me to find the answer with explanation

Answer 1

well the answer is b. Because the pattern goes like this:
The next alphabet of the first letter in HARISH is the last letter of the code. See next alphabet of H is I. Similarly the next alphabet of last word is the first letter. Do the same for REEMA and you get BNFFS.
Hope you were helped. Cheers mate ^_^

Answer 2

The next alphabet of the first letter in HARISH is the last letter of the code. See next alphabet of H is I. Similarly the next alphabet of last word is the first letter. Do the same for REEMA and you get BNFFS.

@skb