Question

What is the standard meridian of india and from where does it pass

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

82.5º east  longitude is considered as the standard . it is in middle of India, Allahbad. It was not adopted till 1905 due to Britist force, but afterwards it was finally adopted . Indian Standard Time: GMT + 05:30 time of India . the standard time of india is 5hours 30 minutes ahead of gmnt.