With reference to the mineral resources of India, consider the following pairs: Mineral — 90% Natural sources in 1. Copper — Jharkhand 2. Nickel — Orissa 3. Tungsten — Kerala Which of the pairs given above is/are correctly matched?

1. (a)1 and 2 only
2. (b)2 only
3. (c)1 and 3 only
4. (d)1, 2 and 3