Which of the following pairs is/are correctly matched? (Coal Producing Area) (State)1.Maolong - Arunachal Pradesh2.Raniganj - West Bengal3.Ramgarh - Jharkhand4.Talcher - OdishaSelect the correct answer from the code given below:

1. A

   Only 1 and 2

   Only 1 and 2. Pair 1 is wrong: Maolong/Mawlong coal is Meghalaya, not Arunachal Pradesh. Raniganj is West Bengal.

2. B

   Only 2, 3 and 4

   Only 2, 3 and 4. Raniganj — West Bengal; Ramgarh — Jharkhand; Talcher — Odisha. Maolong is not Arunachal.

3. C

   Only 1, 2 and 3

   Only 1, 2 and 3. Keeps the false Arunachal pair.

4. D

   Only 1

   Only 1. That is the mismatched pair.

Summary. Official key is (b) only 2, 3 and 4. Raniganj, Ramgarh and Talcher are right. Maolong/Mawlong is Meghalaya coal, not Arunachal Pradesh.