If municipal taxes on a property remain unpaid for an extended period, the authorities may take action to recover the dues, potentially by attaching the property. Non-payment of utility bills like electricity can lead to disconnection of services. As legal heirs, all siblings have an equal share in the property and are jointly responsible for these dues, even if they don't reside there. It's advisable to consult a lawyer to understand your rights and options, such as filing a partition suit.