As a US national, you would need to submit an abstract of driving record signed and issued from the latest state of your residency in the US. If you’re unsure of the state/local issuer of your driver’s license you can look it up here.
Take a break and read all about apostille
Apostille authenticates public documents to be used in another country. However, for most countries the apostille certifications are valid for countries that are members of the 1961 Apostille Hague Convention Treaty. Hence, since India is a member country of The Hague Convention, US apostille are enough to process public documents in India.