Calculus for NBHM January 25, 2018 by P. Kalika 2 Comments Collection of results for quick revision Click to download In NBHM at least 2~3 question you may directly solve by studying this notes. Till mid of February I will also upload the solution of NBHM Phd past year questions. Advertisements Share this:TwitterFacebookGoogleLike this:Like Loading... Author: P. Kalika Mr. Kalika is pursuing Ph.D. in Cryptography under Department of Mathematics, CUJ Jharkhand. Formerly, he is an alumnus of University of Delhi(UG) and Central University of Rajasthan(PG).