A
Only 2
B
Neither 1 nor 2
C
Both 1 and 2
D
Only 1
Correct answer: (c) Both 1 and 2
Explanation
- A
Only 2
Only 2. RVNL as Navratna PSU under Railways is also keyed.
- B
Neither 1 nor 2
Neither. Both lines were used for the New Pamban Bridge.
- C
Both 1 and 2
Both 1 and 2. New Pamban: RVNL (Railways Navratna) and India’s first vertical-lift railway sea bridge.
- D
Only 1
Only 1. The vertical-lift fact is also keyed.
Summary. Official key is (c) both. RVNL Navratna; first vertical-lift railway sea bridge. Also note: Pamban 2024–25 — Rameswaram; replaces 1914 bridge; Vertical lift — Span rises for ships; RVNL — Rail Vikas Nigam; Navratna; Old Pamban — Scherzer rolling lift; different.