Lost my Nokia N70

I Lost my Nokia N70 Music Edtion at Mumbai. I blocked airtel card no and using it too. But Hand set contains very important data in it. I also made and polic compain at “Mumbai Police”. But It’s seems that they will not help me. My Contact No is : 9890801960.
Is Mumbai Network is different than Pune Network?
Well My Hand Set Details are given below:
MY Nokia Serail no => 351863017395589
IMEI No=>351863017395589
Battery No=>06704003820660091 ‘4 or H’ 1Ts14363
TC No=>449297112041312359