As you have not mentioned which particular branch you are asking for so below I am providing the general author's name as their books are good for JNUCEE M.Tech exam preparation and the books are easily available at book stores and if you live near JNU then it is advisable to get it from the stores which are near to JNU as they can also provide you the hand written notes for the same-

R.S.Agarwal

P.kumar and Arti gupta

Tata mcgrawhill.

Hope this helps!!!