This question asks which event or events triggered the border dispute between India and Nepal described in the passage. Let's look at each option.
The passage frames the dispute as building up from several connected developments, the new road, the India-China understanding over the pass, and Nepal's own territorial claims, rather than from just one isolated event.
So, the correct answer is All of the above.
This question asks for the three places at the centre of the India-Nepal boundary confusion. Let's check each combination.
Only one option names all three actual locations at the heart of the dispute together, Kalapani, Limpiyadhura and Lipulekh.
So, the correct answer is Kalapani, Limpiyadhura, Lipulekh.
This question asks who actually signed the Treaty of Sugauli. Let's check each pair against the historical record.
Since British India was governed by the East India Company at the time, and the war being settled was fought between the Company's forces and Nepal, the treaty's signatories were the East India Company and Nepal.
So, the correct answer is East India Company and Nepal.
This question asks which Nepali district Nepal's revised map placed the Lipulekh pass in. Let's check each district named.
Since Darchula is the district that actually borders the Kalapani-Limpiyadhura-Lipulekh area, it is the one Nepal's revised map placed this territory under.
So, the correct answer is Darchula.
This question asks which Indian river is known by a different name once it flows through Nepal. Let's check each river.
Since the Gandak is the river that carries the name Narayani while flowing through Nepal before entering Bihar, it is the one the question is asking about.
So, the correct answer is Gandak.