Q:

Arrange the following passes, situated on Indian border, from east to west- 

• 1
  Diphu, Jelep La, Niti, Rohtang La
• 2
  Jelep La, Rohtan La, Diphu, Niti
• 3
  Jelep La, Niti, Diphu, Rohtang La
• 4
  Rohtang La, Jelep La, Diphu, Niti