▁of ▁school ▁without ▁a ▁degree , ▁but ▁was ▁able ▁to ▁get ▁vocal ▁training ▁in ▁classical ▁H indust ani . ▁K is ku ▁eventually ▁purs ued ▁gradu ation ▁from ▁school . ▁K is ku ▁published ▁his ▁first ▁CD ▁in ▁ 2 0 0 7 ▁at ▁the ▁Go ethe - Institut ▁in ▁Cal cut ta . ▁Pre viously , ▁he ▁was ▁the ▁lead ▁singer ▁on ▁the ▁Gh os ald anga ▁B ish n ub ati ▁Ad ib asi ▁Trust . ▁K is ku ▁has ▁released ▁more ▁CD s ▁with ▁music ▁publish er ▁S are g ama ▁in ▁India . ▁ ▁In ▁Europe , ▁he ▁became ▁known ▁in ▁ 2 0 0 5 ▁due ▁to ▁a ▁performance ▁at ▁AR TE . ▁In ▁ 2 0 0 5 ▁and ▁ 2 0 0 8 , ▁he ▁under to ok ▁concert ▁t ours ▁through ▁( G erm any ) ▁and ▁Austria ▁with ▁the ▁support ▁of ▁Martin ▁K ämp chen . ▁During ▁the ▁first ▁of ▁these ▁tri ps , ▁he ▁also ▁appeared ▁on ▁the ▁Swiss ▁radio ▁D RS ▁ 2 . ▁In ▁ 2 0 0 7 , ▁K is ku ▁under to ok ▁a ▁concert ▁tour ▁to ▁Bang l adesh , ▁where ▁he ▁appeared ▁in ▁D h aka ▁together ▁with ▁An us he h . ▁This ▁concert ▁tour ▁was ▁again ▁supported ▁by ▁the ▁Go ethe - Institut . ▁In ▁ 2 0 0 8 , ▁he ▁was ▁the ▁main ▁perform er ▁for ▁the ▁ceremony ▁of ▁the ▁San th ali ▁Film fare ▁Awards . ▁K is ku ▁has ▁appeared