Consider the formation of the following States of India and arrange them in correct chronological order starting from the earliest to the last.
1. Punjab
2. Arunachal Pradesh
3. Nagaland b
4. Sikkim
Select the correct answer from the code given below:
Code:

1. A.2, 3, 4, 1
2. B.3, 1, 4, 2
3. C.3, 4, 1, 2
4. D.3, 2, 4, 1