Hey,
Diploma in Journalism and Mass Media is a one year long full-time Diploma program in the field of Journalism.
Some of the colleges offering Diploma in Journalism and Mass Media are:
1. Mahatma Gandhi University,Meghalaya
2.Swami Vivekananda Institute of Management,Uttarakhand
3.Xavier Institute of Communications,Mumbai
4.AAFT School of Mass Communication,Uttar Pradesh
5.Amity University,Noida
Hope this helps.
Good luck.