Hii Namrata,best books for clearing iimc(Indian Institute of mass communication) are...

. Handbook of mass communication(theory and practice)by vk Joshi

. Manorama year book

. success master: journalism and mass communication entrance examination

. Popular master guide for journalism and mass communication entrance examination by R.gupta

.Mass communication journalism entrance exam of all indian Universities by Arihant

.word power made easy by Norman Lewis: general knowledge digest by tmh

Good luck