UPI ID can be alphabetical, numeric or alphanumeric. It should be between 4-20 characters. It cannot contain any special characters (*,#,@ etc.) except dot(.) and hyphen(-) which are permissible. Your unique ID should be easy to remember such as mobilenumber@freecharge.
What can be a UPI ID? Print
Modified on: Fri, 15 Dec, 2017 at 5:06 PM
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