Vodafone — am not getting my value added services deactivated

am currently using vodafone connection mob.no [protected] for 3 years..
i have activated " all india STD plan @ 31 Rs. per month" currently running for 1 year..right now i m willing to deactivate it & sending message which is predetermined by vodafone & receive a return message " u r using a special bonus package please continue it"
regarding this m talk to customer care they said it can be happened & said we will transferring a call to our senior plse make sure on line and call cant be fulfilled...and got a reply from customer care that senior will call u in 24 hr.

that will not happened