Hi @kirti, I’ve moved your question to be its own topic; it’s best not to ask new questions at the end of other people’s topic threads.
Also I see you’ve already asked about ICALabel here: mne_icalabel package, please avoid asking the same question in two different places.
Regarding your question about cardiac artifacts, please have a look at the MNE documentation, there are several tutorials about artifact detection/correction: Preprocessing — MNE 1.0.3 documentation
That page is specifically the “preprocessing” tutorials, but there are lots of others too: Tutorials — MNE 1.0.3 documentation