Look first at the OPD flow. A clinic needs fast registration, a visible queue per doctor, a case sheet the doctor can complete during the consultation and a prescription that prints cleanly. The OPD management system is built around exactly these steps, with department and doctor-wise queues and live case sheets.
Next, billing. Most clinics collect at the counter, often by cash, UPI or card, and they need to split fees by doctor. Hospital billing software handles consultations, procedures and discounts with approvals, and its payment-mode splits make end-of-day reconciliation simple.
Finally, think about what you might add. Clinics frequently grow into labs and pharmacies. Because every DevOrbital HMS module runs on its own and connects when added, you do not pay a migration penalty in effort later.