Indusind Bank — Harassed receiving call from credit card department

Its been more then one month indulnd bank is harrasing me to take their credit card which i have said i dont want 100 times then also their calling me 8-9 times daily.i have got harrased by this very much
recived calls from:[protected], [protected], [protected], [protected], [protected], [protected], [protected] this are only one day recived call list.
im going to sue them
stop it immediately
i have send mail too @ premium.[protected]@indusind.com