1. Forfeit the utilities deposit AND securities deposit (non payment of utilities is a breach of tenancy terms and gives landlord the right to forfeit securities deposit, in most instances)
2. Terminate tenancy agreement with immediate effect
3. Sue tenant in court for double rental (in the event he refuses to shift out) AND recovery of outstanding utilities (assuming your deposit is insufficient to cover the arreas).

tumpang asking

apartment/condo
management or service fee, sinking fund all pay by landlord or tenant
let say around rm250

Malaysia is a pro tenant nation.  If tenant choose to default, landlord will surely at the losing end. Laws are to protect the tenant and f the landlord. Thus doing some due diligent before agree to rent out is a must nowadays.

- ask the tenant to list out all the occupant name and ic
- do a ctos check on all of them. Below certain mark, then better be careful