Question

if every state follows the capital local time then what problems will arise

Answer 1

if the people will go in a next place it will be diffrent time and also time difference problem will arise

Answer 2

If every state follow their local time many chaos occur in transportation and we need to change our clocks if we go to otger state it can be manageable but India is the country having largest population standing in the 2 place so many confusions arise