Consider the following statements in context with India’s National Calendar:
- India’s National Calendar is based upon the Saka era, whose dates have a permanent correspondence with dates of the Gregorian calendar
- Chaitra Shukla 1 on which new year begins, falls always on 21 or 22 March every year
- In a leap year, all the initial 6 months of the National Calender of India are of 31 days
Which among the above statements is/ are correct?