I am 68 years old and completed my MA Telugu in 2013. Am I eligible to pursue a PhD in Telugu now? If so, how should I proceed?

There is no age limit to pursue Ph.D. in any University. For Ph.D., there are two methods a candidate can follow.

1. Clearing NET/JRF
2. Entrance Test

Let us discuss both the options one by one in detail. In some Universities, the UGC NET qualified candidates are exempted from the obligation of an entrance t