UPI-ah 'Business Model' thar siam tum

India rama thil lei leh sum inthawn tawnna atana hman uar ber, Unified Payments Interface (UPI) hmanga sum inthawn hi a thlawna hman a nih reng vangin fintech company-te leh bank-te tana zaa za intodelh a harsa tawh a; hei vang hian sorkar laipui chuan digital payment nghet leh chhenfakawm zawk a awm theih nan UPI ah 'business model' thar siam turin hma lak a tum.