Which Indian geography term is associated with important geographical feature “its main western summit is about 7,817 metres high” and also with “is enclosed by the Nanda Devi Sanctuary and associated national park”?

Correct Answer: Option C — Nanda Devi. Nanda Devi is correct because it is its main western summit is about 7,817 metres high. It is also associated with is enclosed by the Nanda Devi Sanctuary and associated national park, which provides a second reliable identifying clue. These features are standard physical-geography facts and are useful for map-based and statement-based competitive-exam questions. Why the other options are incorrect: Option A — Saltoro Kangri: It is has an elevation of about 7,742 metres; this is the specific geographical association of Saltoro Kangri. Option B — Kangto: It is is commonly listed at about 7,090 metres; this is the specific geographical association of Kangto. Option D — Reo Purgyil: It is has an elevation of about 6,816 metres; this is the specific geographical association of Reo Purgyil. Exam Takeaway: Connect Nanda Devi with “its main western summit is about 7,817 metres high” for quick revision.