Conversation so far:
which is the first month of the national calender of india
The national calendar based on the Saka Era, with Chaitra as its first month and a normal year of 365 days was adopted from 22 March 1957.
how many days in each month of the national calendar of India
The months in the first half of the year all have 31 days, to take into account the slower movement of the sun across the ecliptic at this time.

Question: How are the years counted
Self-contained rewrite: How are the years in the national calendar of India counted