Starting from the office, Urmati travels straight towards east for 4 km.
After traveling 4 km east, she takes a right turn.
When facing east, a right turn means she is now facing south.
She travels 4 km in the south direction.
After traveling 4 km south, she takes another right turn.
When facing south, a right turn means she is now facing west.
She travels 4 km in the west direction.
After traveling 4 km west, she takes a left turn.
When facing west, a left turn means she is now facing south.
She then travels straight in this direction.
Therefore, Urmati is moving towards South at the end.
The answer is Option 2: South.