The Goods and Services Tax Network (GSTN) has enabled new options for Quarterly Returns Monthly Payment (QRMP) Scheme on GST Portal.
Note: For taxpayer filing GSTR-3B on quarterly basis and intending to make payment for first and second months of the quarter, please select reason as Monthly Payment for quarterly return (GSTR-3B).
The Options can be accessed at: Dashboard > Payments > Create Challan > Reason For Challan > Monthly payment for quarterly return
Source #GST Portal