Consider the following statements about national calendar of India :
1. The national calendar based on the Saka era with Chaitra as its first month.
2. Dates of the national calendar have a permanent correspondence with dates of the Gregorian calendar.
Which of the statements given above is/are correct?

Options

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2