What is the tenure of the Panchayati Raj institution? (IFFCO 2022)

• This sequence follows a pattern using the alphabet in reverse order, with each group of three letters shifting down by one letter:
-RQP: Start with R and move backward to Q and then P.
-ONM: Shift down one letter from R to O, then continue backward to N and M.
-LKJ: Shift down one letter from O to L, then continue backward to K and J.
-IHG: Shift down one letter from L to I, then continue backward to H and G.
-FED: Shift down one letter from I to F, then continue backward to E and D.