South India is a most historical place where you can know about the culture and peace of God it is such a beautiful decision where yourself . It  is also a very good choice for your future as professorship where you can learn more things and give your knowledge to your students.

The salary depends on which topic you do your research

INR is 3 to 10 lakhs. In Chennai

For more information about role jobs or career as a history you can visit here

https://www.careers360.com/careers/historian

You can also visit here to see the role of lecturer from below link
https://www.careers360.com/careers/lecturer

Thank you. I hope this answer helps you.