Correct option is C
Given:
Govind starts from Point Y and drives 12 km west.
He then turns right and drives 37 km.
He then takes a left turn and drives 18 km.
He turns left again and drives 63 km.
He then takes a right turn and drives 19 km.
He takes another right turn and drives 35 km.
Finally, he turns left and drives 32 km to stop at Point Z.
According to the given information, Path diagram will be:

Distance between Y and Z = 12 + 18 + 19 + 32 = 81 KM
As per the diagram, he drive 81 KM in order to reach Point Y again in East direction.
Thus, the correct option is (C) 81 km towards east