Looking for a Marketing Agency for PR/Media engagements for HealthTech start-up - In India

As a healthtech start-up, I am looking to engage a marketing agency for PR/Media initiatives. Our target engagements are Advertising Campaigns, Social Media Engagements with Patients and Carers (18 - 45yo) as the target market. We expect the engagement to last for 3 to 6 months. The selected agency should have experience working with small healthtech firms, as well as developing and executing PR/media campaigns from scratch.
Target Market will be India - kindly do not submit offers if you do not have experience in that market