BSNL
DND [do not distrub] Services
Sir, i have BSNL pre-paid mobile with number 9494417539 it is 3G Number i changed Airtel to BSNL only for 3G but the are not activating the DND Services i have this number from last 8 months i send the sms to 1909 with text of "START DND" they Replay me as " Dear Customer we received ...