Never give any information related to your insurance plan over phone. You may get call from an unknown landline or mobile number and may warn that your Insurance advisor is going to get Bonus or dividend from your Insurance policy.
They may try to induce you to give more information like Policy number, PAN card number, Bank account etc.,
But never given any information as they are trying to get information from you only.
Visit LIC India website on fake calls and be safe.