Mumbai Pharma OTC: WhatsApp BAPI + Meta scales patient enquiries 4.2x in 5 months
Patient enquiries 4.2x in 5 months
The starting position
OTC (over-the-counter) pharma brand in Mumbai marketing digestive health + immunity products across India. Meta + Google campaigns were running at ₹380 CPL for patient enquiries but conversion (enquiry → product purchase) was 6%. Sales team said most enquiries were low-intent — one-question interactions with no follow-up path. Brand had a small existing patient database (14K opt-in) but no systematic communication.
The root cause
3 issues: (1) Meta + Google campaigns optimised for form-fill "enquiry" events with no follow-up SLA — leads dropped off within 24 hours. (2) No WhatsApp Business API — patient communication was manual over WhatsApp personal or email. (3) 14K existing patient database was dormant — no re-engagement, no cross-sell, no education. DPDP + DMRA compliance scan flagged 3 Meta creatives with unsupported OTC treatment claims (fixed pre-launch).
What ICG built
3-track approach. (1) Meta + Google campaign restructure with segmented product-line campaigns (digestive vs immunity vs wellness). (2) WhatsApp Business API deployed with automated welcome, product education flows, and 30-day nurture sequence per product line. (3) 14K dormant patient database re-activation via WhatsApp opt-in confirmation flow → weekly educational broadcasts (DMRA + DPDP compliant). Content HQ produced 40+ patient-education pieces + 12 explainer Reels over 90 days.
**ICG team on this engagement:** - Abhash Kumar — Co-Founder, Meta Ads (pharma-compliant Meta setup) - Raman Soni — Head of Performance Marketing (Meta + Google management) - Himanshu Ranjan — Head of Technology (WhatsApp BAPI + CRM integration) - Sabhyaa Gupta — Head of Projects & Consulting (DPDP + DMRA compliance workflow) - Akanksha Tyagi — Head of Branding (patient-facing content design) **Platforms deployed:** - **Content HQ** — 40+ educational pieces + 12 Reels + pharma compliance scan on every asset. - **WhatsApp BAPI (via WATI)** — Automated nurture + broadcast + opt-in management. - **Nexus CRM** — Custom pharma OTC deployment with product-line segmentation.
What changed,
measurably.
The WhatsApp Business API deployment and dormant patient reactivation were the biggest single wins. Our 14K opt-in database was sitting completely unused — ICG turned it into ₹18 lakh of monthly recurring revenue in 90 days.
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