Can you advice on the next steps for me? How do I go about getting a proper start in this field and creating a good portfolio? A

Its advisable that you first start short-listing institutes. And then once you start with the course you can take help from your professors.

Following is a list of some of the colleges:

Jawaharlal Nehru Technological University, Hyderabad
International School of Photography, New Delhi
Indian Institute for Development in Education and Advanced Studies, Navrangpura
Amadeus Media Pvt Ltd, Chennai

Write back for further queries.