I am getting a call from this number , can you please help me to stop it?

air duct cleaning service who doesnt care about the do not call list

ENDLESS phone calls from this number.  "Air Duct Cleaning".  Same Indian guy every time.  EVERY single day.  This HAS to be illegal.

Guy says he is from 4 Seasons Duct Cleaning.  Hard to understand thick South Asian accent. Calls every few days and CRTC does nothing.  I agree with andon the guy is not concerned about the do not call list nor is he worried about any consequences.  He obviously knows CRTC will likely do nothing.