Dear ________ (Name of landlord/ sir),
This is to most humbly inform you that my name is _________ (name) and I am residing at your property __________ (property address) as a tenant under the rental agreement that was mutually signed between us on __/__/____ (date) bearing ___________ (agreement number/ contract number).
This is to inform you that the contract is going to expire on __/__/_____ (date) and therefore I write this email in order to request you to kindly renew the lease agreement as I am willing to reside at your property for next _______ (duration – 6 months/ 12 months/other). For further queries, you may contact me at the contact details mentioned below or respond to this email.
__________ (contact details)