To activate sms packs in bsnl Just type in the following format and send it to 53733
SMS14 to enjoy sms @5paise per sms valdity 30 days
SMS21 to enjoy 1500 local sms free for 15 days
SMS36 to enjoy 3000 local/national/roaming sms free for 30 days
SMS46 to enjoy 4500 local/national/roaming sms free for 45 days
SMS56 to enjoy 6000 local/national/roaming sms free for 60 days
