A
1 2 3 4
B
2 1 3 4
C
1 3 2 4
D
1 4 2 3
Correct answer: (a) 1 2 3 4
Explanation
- A
1 2 3 4
(a) 1 2 3 4. Sala Lake is in Arunachal Pradesh; Badkhal Lake is in Faridabad, Haryana; Loktak is in Manipur; Kaliveli is a coastal lake in Tamil Nadu. That order is the official key.
- B
2 1 3 4
(b) 2 1 3 4. It swaps Sala and Badkhal: Sala is not in Haryana and Badkhal is not in Arunachal Pradesh.
- C
1 3 2 4
(c) 1 3 2 4. It gives Badkhal to Manipur and Loktak to Haryana, reversing those two famous lakes.
- D
1 4 2 3
(d) 1 4 2 3. It sends Badkhal to Tamil Nadu and Kaliveli to Manipur, which is the wrong coast and the wrong state.
Summary. Official key is (a) 1 2 3 4. Sala–Arunachal Pradesh, Badkhal–Haryana, Loktak–Manipur, Kaliveli–Tamil Nadu is the only complete match.