SITUATION
3 bills baaki (₹800 + ₹1500 + ₹1200), patient ne ₹2000 diye.
KAISE
"How much is paid today?" = 2000 → ₹800 wala poora, ₹1200 doosre me, teesra waisa hi; neeche "Still due after this". Kisi row ka ₹ box haath se badla to wahi row maani jaati hai.
NIYAM
tick kiye bills ke due se zyada likha to laal "₹X too much…" aur Save band — extra paisa apne aap advance nahi banta; rakhna ho to "Add to advance" me alag likho. Pehle se jama advance ho to upar "Apply advance first" pehle dabao.
EDGE
Paisa galat bill par lag gaya to receipt ko doosre bill par shift karne ka button nahi hai — owner/admin us receipt ko Visits → "Payments Received" → "🗑 Void" kare, phir sahi bill tick karke dobara record karo. Mobile payment sheet me bhi yahi niyam.