Hi Jagannath, I am here to help you. Some of the popular colleges for PGDCA in Maharashtra are-

1. Shivaji University, Maharashtra

2. SCDL Pune

3. Vishwakarma University, Pune

4. Tilak Maharashtra Vidyapeeth, Pune

5. Santaji Mahavidyalaya, Nagpur.

Popular PGDCA colleges in India include- Allahabad University, Uttar Pradesh and Jiwaji University . Since you belong to the SC category, institutes may provide relaxation in the aggregate marks required for admissions.