No Response from support team ( Need Refund )

Recently i have purchased a subscription due to COVID-19 breakdown internet speed is very slow so it’s charged twice accidentally.
When i’m trying to connect through https://support.avast.com/en-in/contact/
here they asking me the order ID of the subscription , but i did not received an confirmation email till now. I’m from india so is there any other way to contact them .Please help me to get my refund back.
Thanking you

Just enter/use 00000000 and explain it in your request.

Thank you so much for helping me out

You’re welcome.