UP Police Constable Exam Model Paper 2

The fourth letter is D. D + 3 = 7 → G.
The eighth letter is H. H - 6 = 2 → B.
The twelfth letter is L . L + 9 = 21 → U.
The sixteenth letter is P . P - 12 = 4 → D.
So the right term will be P12D.
Hence option 2 is the right answer.