A
4 2 3 1
B
2 4 1 3
C
2 4 3 1
D
4 2 1 3
Correct answer: (b) 2 4 1 3
Explanation
- A
4 2 3 1
4 2 3 1. Sends Nayara to Tamil Nadu and Tatipaka to Assam.
- B
2 4 1 3
2 4 1 3. Nayara (Vadinar) — Gujarat; Manali — Tamil Nadu; Numaligarh — Assam; Tatipaka — Andhra Pradesh.
- C
2 4 3 1
2 4 3 1. First two right; Numaligarh and Tatipaka swapped.
- D
4 2 1 3
4 2 1 3. Nayara and Manali swapped.
Summary. Official key is (b) 2 4 1 3. Gujarat, Tamil Nadu, Assam, Andhra Pradesh. Also note: Nayara / Vadinar — Ex-Essar; Gujarat coast; Manali refinery — CPCL, Chennai, Tamil Nadu; Numaligarh — Golaghat, Assam; NRL; Tatipaka — ONGC, East Godavari, Andhra Pradesh.