This support forum section is for support of Firefox for Android. This is not Google support.

A simple search engine search for gmail account recovery leads to to this Google support article https://support.google.com/accounts/answer/7682439?hl=en

I am Shankr My first email recently deleted recover my email. This is a very Important data on email , please recover my email.

Eamil:- [edited] @gmail.com

please recover my email.

Again this is Not Google support. Nobody on this community support forum nor at Mozilla has any ability to recover your gmail address. You have to contact Google or do it yourself as per the article I linked to.