Correct option is C
- Darshan starts walking 10 km towards the east.
- He turns right and walks 6 km, then turns right again and walks 5 m, and then turns right again and walks 4 km.
- After that, he turns left and walks 2 km, then turns left again and walks 5 km.
- Finally, he turns right and walks 2 km.
- (All turns are only 90-degree turns)
