 Fasli Calendar is a chronological system introduced by the Mughal emperor Akbar basically for land revenue and records purposes in northern India, The differences in records dates due to the Muslim lunar calendar because of moon sighting have led him to introduce an alternate calendar which follows simultaneously with Islamic Lunar calendar and Hindu Samavat solar Calendar.Which can give the fix dating system.Akbar insistence to equalize the "Fasli calendar" according to Islamic Lunar calendar accordingly with Hindu Samavat Calendar, thus he took 649 years from the Samavat Calendar year in order to make the "Fasli" year 963.