Bajaj Finance — calling multiple times in a day from years

Address:

Thane, Maharashtra, 400601

Everyday i’m getting calls multiple times, inspite of rejecting it.
Earlier they were also bombarding automated calls i. E, ivr starts talking once you receive the call.
From so many years i’ve not taken any loan from them, still they keep on calling everyday.
Too frustrated, unable to understand how to block them. I’ve added my number in dnc, besides banking calls and i suppose bajaj comes in banking, so can’t even block them