Bharat Sanchar Nigam [BSNL] — spam messages and charges

Address:

626123

I am having bsnl mobile and broad band land line connections.
I am receiving spam messages to my mobile like love pathshala (54000*) and deducting rupees 3/- for every 3 days for the past one month. Without my consent they are charging. I do not know how they got my number. My broad band land line connection often disconnects. Internet connection is not working properly. I have complained to local bsnl authorities a number of times. But they are not doing anything. But they are sending bills properly. I am having 1199 plan with unlimited calls and data.
For the past 2 months i am receiving bills for rs. 1466. Previously it was only rs.1415/-

Kindly do the needful to rectify the mistakes.
Thanking you