The JNU MA Ancient History Entrance Exam Syllabus covers following topics:

Ancient Indian Social History:
Some Interpretations,
Asoka and The Decline Of The Mauryas, Somanatha:
The Many Voices of History,
Somanatha:
The Many Voices of History,
and Dissent in the Early Indian Tradition.

Here I am also suggesting you names of some good books, from where you can collect complete study material:



History of Early India from the Origins to AD 1300 : From the Origins to AD 1300
Rs. 399


Ancient India in Historical Outline [Paperback]
D.N. Jha (Author)