Correct option is B
Given:
Raju starts from point A and drives 9 km towards the west.
He then takes a left turn, drives 7 km, turns left and drives 11 km.
He then takes a left turn and drives 13 km.
He takes a final left turn, drives 2 km and stops at point P.
From the given information path diagram will be;

Raju should drive 6 km to the south A again.
Thus, correct option is (b).