I bought Rilance GCM sim card from Kandiwali (East) on 23rd May 2010.
From the day 1 there is no network at the below mentioned locations;
1) Anita Nagar Building, Lokhandwala Township, Kandiwali (E);
2) Big Bazar, Kandiwali (E);
3) Interface Building No 11, Malad (W);
4) Zenith House, Mahalakshmi;

there could be many more loactions which does not known by me.

On these locations there is no network available, it shows "Emergency Calls Only" or "No Network Coverage".
I called up to the customer care for continious 3 days for registring the complaint, but they replied the issue will be resolve in 2 hrs, 24 hrs etc. As there are no network available. I asked for the complaint no but, neither complaint were taken nor complaint no given.

Finaly on 28th May 2010, complaint registered vide Request No 127632241.

On dated 31st May 2010, I got SMS that the issue is resolved, but in reality the issue is still persists.