Bajaj Finance — Unwanted calls from Bajaj Customer care daily 10 to 15 calls

I am receiving daily 10 to 15 calls from Bajaj finance and other bajaj groups regarding personal loans, health, and other topics. Which is not at all required from me. I am telling the same to the people who are calling me but again I am getting calls from another person. Which is really irritating me and wasting my office time.

I don't want to receive any calls from the Bajaj group.