Vodafone India — vodafone number blocked

Dear sir,

Greetings.
My vodafone prepaid number [protected] was blocked stating the reason as sending promotional / tele marketing messages. I am an it professional working in a reputed software company and not involved in any kind of tele marketing or promotional activities. I have registered this number for all bank related transactions. Moreover my number has been blocked without any prior notification.in my case principles of natural justice is not followed before blocking my number. Hence i kindly request you to unblock and activate my mobile number immediately. Many thanks in advance. Regards, sankarlal