AChallan is a mobile banking and payment app developed to help citizens deposit government receipts from their daily income, such as tax receipts. It is a free, user-friendly app that helps users create and manage accounts, as well as submit and receive money. It can be used by individuals, corporations, financial institutions, and other payment providers. The app provides an efficient, convenient, and secure way for the users to deposit their tax receipts, and manage their accounts. 

The AChallan app can be downloaded on Android devices. Once the user is logged in, they can specify the receiving entity and relevant classification code.