Hi Krithika,

 It shows that you are planning your future  very well. After completing your bachelors degree in English and doing diploma in journalism and mass media communication, you can do your masters in M.A Journalism and Mass media communication. In order to do M.A in this field a candidate must contain a bachelors degree in any stream and a pass percentage of 50% at least. You having a diploma degree in the same field you have good chances of shining in this field and gain more experience in this stream.

Colleges for doing M.A in journalism and mass media communication, 

SHARDA UNIVERSITY

INDIAN INSTITUTE OF MASS COMMUNICATION

MAHATMA GANDHI MISSION COLLEGE OF JOUNALISM AND MASS COMMUNICATION

SYMBIOSIS INSTITUTE OF MEDIA AND COMMUNICATION

Hope this helps

All the best

Dear aspirant, 

Hope you are doing well. As per your query and according to me definitely you should pursue Master's in Journalism and Mass Communication after doing a diploma in the same. Or you can opt for jobs in the private and government sectors. Hope you find this helpful. Thank you.