It is a new feature by BIS for registered manufacturers to send any enquiry related to portal, payment, etc online via portal. The ideal way to send an email to BIS, however new feature in portal would make the process easier.

Fee Structure pertaining to EPR registration in under E-waste Management rule 2022
CPCB has released a notification on the fee structure for the registration of Recycler, Refurbishers & Manufacture and Annual Maintenance Charges for all stakeholders for