hello aspirant,

mass communication is a really good career in india. if you right now are studing in b.a in polytical science, you can go for masters in mass communication and journalism. or you can do a diploma in mass communication. to start  a career in mass communication a degree on it is needed. 

hope it would help.

Hello aspirant,

The elligibility for Mass communication is a bachelor's degree in any stream of a minimum 3 years duration.

So that answers your question yes you can do Mass communication after BA in political science

The career in Mass communication is gaining momentum

After Mass communication jobs profile includes-

Media planner

Multimedia specialist

Public relations officer

Web content manager 

Social media manager

Etc

The best institute for masscommunication in india-

Lady Shri ram college

Symbiosis

School of broardcasting and communication, Mumbai

Indian institute of Mass communication, delhi