Good afternoon ,

The syallbus for entrance exam of MA (Hindi) may vary from college to college according to the prescribed syllabus of the university. If you would have been more precise in saying which college who wanted information for would be more helpful .Anyways firstly you are requested to go through the books of BA Hindi .Secondly I would like to prefer you some books which you could look at for some revisions or subject in matter:

1) Hindi Sahitye Ka Itihas

2) Hindi Reeti Sahitya by Bhageeratha Mishra 

3) Adhunik Nibandh Kosh Hindi 

4) Kabeer Chinthan

Hope so this information is helpful and good luck ..In case of any queries please feel free to ask in comment section.

Thank you.