PhD Que. Paper & Answer Key January 24, 2018 by P. Kalika Leave a comment NBHM PhD-2018 Que. paper Click here Answer Key 2018 NBHM Phd(Upto 2017) Click here. TIFR 2018 Question Paper download here Share this:PrintEmailWhatsAppTelegramTweetLike this:Like Loading... Related Author: P. Kalika Mr. Kalika is pursuing Ph.D. in Cryptography. Formerly, he is an alumnus of University of Delhi(UG) and Central University of Rajasthan(PG).