The national calendar based on the Saka Era, with Chaitra as its first month, was adopted from the year:

Correct option is C

The correct answer is: (C) 1957

• The Saka Era began in 78 AD and is widely used in India.
• The Chaitra month in the Saka calendar starts from March 21 or 22 in a normal year and March 20 or 21 in a leap year.
• The Saka calendar was adopted to promote cultural heritage and uniformity in official records.
• The Indian National Calendar consists of 12 months and follows both solar and lunisolar calculations.

• 1947 – India gained independence.
• 1951 – The Planning Commission was established.
• 1959 – By this time, the Saka calendar was already in use for official purposes.