Question

What is the standard meridian of India? Describe its significant

Answer 1

British India did not adopt the international standard time zones until 1905 when the meridian passing through Allahabad at 82.5º east (of Greenwich Meridian ) longitude was picked as the central meridian for India, corresponding to a single time zone for the country at 5 hours and 30 minutes in advance of GMT.

Answer 2

IST that is Indian standard time is basically derived from the standard meridian of India that is +5:30 which actually passes from the mirzapur in Uttar Pradesh state...
The standard meridian is very significant because it gives the information about the time that can be always be significant throughout the country and so there is no error of time in India throughout....