Sorry for your loss. Taking into account your current scenario, ideally the nomination can be updated with the insurer concerned after demise of the Life Insured through a Legal Heirship Certificate/Succession certificate. However, your insurer would be the ideal advisor for seeking best recourse.
An insurance company can cancel an existing insurance policy on the grounds of mis-representation, non-disclosure of material facts, fraud in accordance with Section 45 of the Insurance Act, 1938. The insurer is required to inform the customer why it has cancelled the policy. However, if the customer is aggrieved by the insurer's decision, they can approach the Insurance Ombudsman that has territorial jurisdiction over the branch or office of the insurer or the residential address or place of residence of the policyholder.
The writer is MD & CEO, Edelweiss Tokio Life Insurance