Flipkart — Order invoice

I want a invoice of a phone because it is compulsory in repair. But my old sim is lost and I am not logged in into the Flipkart account. I remember the order I'd. Flipkart account is not that important.

Order I'd

OD[protected]also the account is not connected with the email id so I can't get it by email also called the customer service)

If you can change the account's phone number then here is old phone number ([protected])