I lost my passcode

Hi Keshabt,

Welcome to the Apple Community, where some of us do our best to help each other :)

Your Apple ID is quite often just your e-mail address

Apple support have articles online to help you.

if you have forgotten the appleID itself :

https://support.apple.com/en-au/HT201487

or

Recover your Apple ID and / or if you forgot your log-in password

https://iforgot.apple.com/password/verify/appleid

or

How to reset it, if you forgot your Apple ID password:

https://support.apple.com/en-au/HT201487

and

If you’ve forgotten the answers to your Apple ID security questions

https://support.apple.com/en-au/apple-id

also

If you change your Apple ID or password :

What to do after you change your Apple ID or password

https://support.apple.com/en-us/HT204071

If you still need help:

Apple ID Support Page:

https://support.apple.com/en-au/apple-id

or

There is a "Get support" link to Apple at top right on this discussion page.

Hope this helps you :)