Question

In which year shaka era started

Answer 1

It was adopted as the era of the Indian national calendar (also known as "Śaka calendar") in 1957. The Shaka era is the vernal equinox of the year AD 78. The year of the modern ShakaCalendar is tied to the Gregorian date of 22 March every year, except in Gregorian leap years when it starts on 21 March