Thetng if I want a loan, then want your personal bank information. I'llI asked them to remove me from the calling list and they said no. Very rude.

Common Indian or Pakistani loan scam.  There is no loan.  They ask for an upfront fee to be wired to them by some untraceable means and when that's done, you never hear from them again.  Except maybe to ask for more upfront fees.  Ignore and block these numbers.