Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hello,
You can check this articles where you can find support information:
Find Microsoft 365 for business support phone numbers by country or region Get support - Microsoft 365 admin :
https://learn.microsoft.com/microsoft-365/admin/support-contact-info?view=o365-worldwide#india
https://learn.microsoft.com/microsoft-365/admin/get-help-support?view=o365-worldwide
Please note that support for account recovery for M365 for business and M365 for developer is handled within the same team. Let me know if you have any further clarifications.
Warm Regards, Prakash