A
1 3 4 2
B
3 1 2 4
C
3 1 4 2
D
1 3 2 4
Correct answer: (b) 3 1 2 4
Explanation
- A
1 3 4 2
1 3 4 2. Puts Chandrayaan-3 on 2 September (Aditya-L1’s date).
- B
3 1 2 4
3 1 2 4. Chandrayaan-3 — 14 July 2023; Aditya-L1 — 2 September 2023; INSAT-3DS — 17 February 2024; RLV-LEX-01 — 2 April 2023.
- C
3 1 4 2
3 1 4 2. Swaps INSAT-3DS with RLV-LEX.
- D
1 3 2 4
1 3 2 4. Chandrayaan and Aditya dates swapped.
Summary. Official key is (b) 3 1 2 4. 14 Jul 2023, 2 Sep 2023, 17 Feb 2024, 2 Apr 2023. Also note: Chandrayaan-3 — LVM3, 14 July 2023; south-pole landing 23 Aug; Aditya-L1 — PSLV, 2 September 2023; L1 halo; INSAT-3DS — GSLV, 17 February 2024; weather; RLV-LEX-01 — ISRO landing experiment, 2 April 2023.