Boishakh Akbar the Mughal emperor was aggregation the tax underneath his reign from 1556 to 1609. On the days, the economy was absolutely trusted the Agricultural productions. That was the time; the Arabic or Hijri year did not match for aggregation the Agricultural product because the Tax. Then he created a replacement calendar to gather the Tax from the people that were absolutely trusted the Agricultural product. That Calendar was named as Bangle calendar and also the first day of this calendar referred to as the Pohela Boishakh.
