As an expat living in Dubai requires that you should familiarize yourself with tenancy rules and regulations which of course include the tenancy contract. Following are the rights of the tenants,

a- No changes are to be made by the landlord to the amenities or annexes of the property preventing its full use
b- Any decoration work or any other such work that requires approval from the authorities must be given to the tenant provided that does not affect the structure
c- The landlord is bound by law to give the house in good livable condition which is not bad allowing its full use
d- All the repairing and maintenance is to be done by the landlord and not the tenant during the term of the contract without affecting tenant’s usage
e- Rent can only be increased as per RERA rental bracket for contract renewal for different areas and properties
f- For any reason the landlord is not allowed to withhold the security deposit if done so then tenant can file complain to rent dispute committee
g- Disconnection of services to the property by landlord is not allowed if such incidence happens then tenant can complain to the police or the rent dispute committee for compensation

Please note that the contract can only be terminated with the mutual consent of both parties.