BSNL Cellone — network

Address:

Gondia, Maharashtra

Respected sir, i have a BSNL postpaid card(Krishi card) and its no. [protected].From last few months, i m facing too many problems like call drop,net surfing network error,etc.i did the complaint in Bsnl customer care but they always said that problem is in progress or problem is resolved.but still i m facing same problem so i decide to complaint here. so please resolve my problem ,its my humble request.
thank you
problem details : 1. call drop,
2.display "network error' while calling
3.net surfing speed also very slow