The Indian National Calendar is based on _____

Correct option is B

The Indian National Calendar, also known as the Saka Calendar, was officially adopted on March 22, 1957, along with the Gregorian calendar, for administrative purposes. It is based on the Saka Era, which started in 78 AD. The first month of the Saka calendar is Chaitra, and it corresponds to March-April in the Gregorian calendar.

Information Booster:

1. The Saka Era is used alongside the Gregorian calendar in official documents and gazettes.
2. The calendar was introduced by the Calendar Reform Committee chaired by Dr. Meghnad Saha.
3. The Saka calendar has 12 months and 365 days in a regular year, similar to the Gregorian calendar.
4. The adoption of the calendar aimed to unify and streamline the diverse regional calendars of India.
5. Festivals such as Ugadi, Gudi Padwa, and Navreh mark the beginning of the Saka year.
6. The Hirji Era (option d) is used in Islamic countries, while the Vikram Era (option c) is a Hindu calendar starting in 57 BCE.

Additional Knowledge:

• Christian era (Option a): Based on the Gregorian calendar, used globally for civil purposes.
• Saka era (Option b): Officially adopted as the Indian National Calendar.
• Vikram era (Option c): A Hindu calendar system used mainly in North India.
• Hirji era (Option d): An Islamic lunar calendar beginning from the migration (Hijra) of Prophet Muhammad to Medina in 622 CE.