Question

why 82°30'E has been selected as standard meridian of india
​

Answer 1

Answer:

India is a country with is large E-W extent

(i) To avoid confusion in timings of train and plame etc, the local time of 82°30'E meridian has been adopted as the Indian Standard time (IST).

(iii) The 82½° E Meridian was chosen because it passes through more or less central part of India