hey rohit

i doesn't know whether delhi university provides admissions on the basis of merit . it coducts entrance exam for biochemistr and admissions are taken onn the basis of merit list for the conducted  entrance exam . however re-post this question so that others can answer it also ,but yes du conducts entrance exam for bio chemistry. check out this

http://www.du.ac.in/du/index.php?page=master-of-science-biochemistry