yes
No, they are not same.
The significance of standard meridian of India is that Standard meridian is used as the standard time for whole country. If it isn't there chaos will be created in the country so standard time is very important.
The standard meridian of India passes through the city of Allahabad, also known as Prayagraj.
standard meridian of india is UTC +5:30 that is measured on 82.5 degrees east longtitude
It is because the Standard Meridian of India almost passes from the centre of India. Standard Meridian of India passes through Mirzapur in Uttar Pradesh.
allahabad
allahabad
allahabad
From Gujarat to Arunachal Pradesh , there is a time lag of 2 hrs. so , time along the standard meridian of India is taken as standard time for the whole country as it avoids confusion that could have been occur due to the following of different local times.
Arabian sea
The standard meridian is important for India because there is two hours difference between the eastern most and western most part of India.so in order to maintain a common time through out India the central meridian 82.5 is selected as the standard meridian.the reason for the need of a common time n India is for the integrated running of railways,flights,many telecasts and for all these thing different places cant have different timings.
The standard meridian of India is 82.5° East longitude. It crosses the state of Uttar Pradesh (UP) near the city of Allahabad (Prayagraj). This meridian is significant as it serves as the reference point for Indian Standard Time (IST).