Nokia 2730 and bsnl sim
Nokia and bsnl mobile

I have lost my Nokia 2730 mobile phone and BSNL prepaid number

Please tell me how should i block my sim. So, that no one should misue it.

My BSNL number is : 9421167734

My SIM Number is :8991669242108888826

my IMEI mobile no is :353396048586668