If 'nso ptr kli chn' stands for 'Sharma gets marriage gift', 'ptr lnm wop chn' stands for 'wife gives marriage gift', 'tti wop nhi' stands for 'he gives nothing', what would mean 'gives' ?

Answer: D. wop

In the second and third statements, the common word is 'given' and the common code word is 'wop'.
So, 'wop' means 'gives'.
Hence, the answer is (d).