one and only PROF. KARTAR SINGH is a kirtani who always di kirtan in NIRDHARIT RAAGS. other raagis who do raag kirtan but also do semi raag and light kirtan are BHAI BALBIR SINGH ( VERY VERY GREAT CLASSICAL RAAGI) BIBI ASHUPREET KAUR BHAI NARINDER SINGH JI BANARAS WALE ( HAZOORI RAAGI SRI DARBAR SAHIB) DR. GURNAM SINGH BHAI SARABJEET SINGH ( A VERY VERY GOOD CLASSICAL RAAGI BUT MOSLY DO KIRTAN IN VERY VERY HARD BANDHISHS AND SEMI CLASSICAL)