Dr Batra's — Getting numerous calls

Dear Sir/madam,
I am registered under DND..my mobile number from pune

I am getting spam calls from automated call response from Dr Batras mobiles phones and other numbers...i am getting number of calls per day...i never ever registered my number any where with batras...If they dont stop spam calls to me without the difference of day and night i will lodge a complaint with the local police station...I want them to unsubscribe my mobile number [protected] immediately from their spam calls...i dont want any of their services.
request you to help me in this regard