LAST FOUR MONTH I AM USING A BSNL NETWORK BUT BSNL TOWER IS NOT CACHE IN PREVIOUS TWO MONTHS BSNL CALL RATE IS ALSO HIGH.
BUT NETWORK IS NOT CACHE IN MY CIRCLE WHEN I CALL MY FRIEND DISTURBANCE OCCUR IN CALLING DUE TO LINES OF BSNL IS UNDER PROCESS IN UNGROUNDING LINE AND ALSO 3G+2G ARE COMBINED IN RECHARGE SO SPEED OF PLAN IS COMBINE FORM IN2G+3G OS DOWNLODING IS VERY SLOW AND ALS CONNECTION LOST BETWEEN DOWNLOADING