This question already has an answer here:
Im trying to reset my password to my Google Account.
I do not have the same phone number to get the reset verification code.
What to do now?
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
There is an option called "verify your Identity". Use that, provide accurate information and you will get your account back ! its better if you have your alternate email id (verification email id) in your control.