Hi Shalu,
Yes, it is possible to pursue bachelors' of mass communication after class 12. There are various institutes that take admission on the basis of class 12 marks, however, there are some good universities that conduct their own exam for admission to various mass communication courses.
Following are some of the exams that you can give for admission in mass communication course:
GGSIPU CET Exam:
The Guru Gobind Singh Indraprastha University (GGSIPU) conducts the Common Entrance Test (CET) for giving admissions to students in various graduate and master courses.
It offers programmes like Bachelor of Journalism and Mass Communication (BJMC), Master of Mass Communication (MJMC) Weekend and Master of Arts (Mass Communication) regular.
Delhi University (BMMMC)
The B.A. (H) Multi-Media and Mass communication (BMMMC) is a self-financed programme which is UGC affiliated, however, runs only by I.P College under the University of Delhi. The entrance exam is conducted in two tiers.
MGM College, Aurangabad
The MGM College of Journalism and Mass Communication conducts their entrance exam to give admission to students in MA/BA and Mass Communication and Journalism programmes.
Banaras Hindu University (BHU)
The Banaras Hindu University is one of the oldest institutes across India. The university offers both Bachelor's and Master's degree programmes in mass communication.
Entrance exams are mostly aptitude based and test your communication skills.