Correct answer: (a) Motihari and Amlekhganj
Explanation
- A
Motihari and Amlekhganj
(a) Motihari and Amlekhganj. The India–Nepal petroleum product pipeline from Motihari (Bihar) to Amlekhganj (Nepal) was inaugurated in September 2019. That pair is the official key.
- B
Darbhanga and Amlekhganj
(b) Darbhanga and Amlekhganj. Darbhanga is not the Indian terminal of this line.
- C
Motihari and Kathmandu
(c) Motihari and Kathmandu. The first phase ends at Amlekhganj, not Kathmandu.
- D
None of these
(d) None of these. The Motihari–Amlekhganj pair exists, so ‘none’ fails.
Summary. Official key is (a) Motihari and Amlekhganj. Cross-border oil pipeline inaugurated September 2019. Not Darbhanga, not Kathmandu as the first-phase end. Honour the stored letter (a).