1. Introduction A Chalan Form (often simply called a chalan or challan ) is a standardized administrative document used primarily in South Asian countries—such as India, Pakistan, Nepal, and Bangladesh—to acknowledge the receipt of money, goods, or official documents. In modern usage, it is most commonly associated with government revenue collection , tax payments , fines , and fee deposits . The term derives from the Hindi/Urdu word chalān (चलान / چلان), meaning a permit or a payment slip.