Reliance Communications — reliance gsm sim to be blocked

Address:

Indore, Madhya Pradesh, 452012

This is bharat prasad kurmi
I lost my mobile no-[protected] is belong to reliance gsm.
Last few day back i lost my hand set.
I have discussed with near reliance service provider for blocked number.
They suggest call to toll free no.
I trying so many time on toll free number bu no body pick the phone.
This is humble request to reliance communication pl blocked so that can prevent un-necessary or miss use of mynumber.