Bangalore-based Medinfi Healthcare Pvt Ltd, a platform to search doctors and hospitals through the Web and mobile app, has raised $50,000 (INR 32 lakh) in its seventh round of angel funding from existing investors. Vinod Martin, COO at a Singapore-based IT services company, Hemant Kaul, former MD and CEO at Bajaj Allianz General Insurance, Prof Ram Kumar Kakani of XLRI, and others invested in the round.