Please guide to me i have to start accounting work in a proprietorship ( Private Shop). Where i Check the books of accounts and found that he done Sale Rs.20 Lacs from UPI from Customers( under Sundry debtors) Means A person A, B,C,D came to shop scan the QR Code shop keeper made the entry in books of account Cr. UPI from Customer and Dr. Bank he done lots of entry in single ledger ( UPI from Customers) Can it Correct Process ? I am also mainted the books of account in other Shop where Customer Came to Shop Scan the QR Code i have done the entry Cr. Customer,s Name account ( Sundry Debtors) and Dr. Bank. issue invoice to Customer if he want. So in above which process is Correct Please advise Sir