Problem regarding The Autopay system for subscription

When I try to buy your Shopify monthly subscription through UPI your system request me to set an Autopay of 5000rs for 10 years… To your Shopify Singapore account on phonePe

Firstly I wanna know that why are you charging me 5000rs when the subscription is for 20rs for first month and then 1994rs per months .

And secondly I wanna know that whats with that 10 year Autopay request that your demanding???

This is a forum for subscription APIs, please reach out to customer service for assistance.

Thank you