ival ya . ▁In ▁this ▁school , ▁ka ival ya ▁means ▁the ▁real ization ▁of ▁pur usa , ▁the ▁principle ▁of ▁conscious ness , ▁as ▁independent ▁from ▁mind ▁and ▁body , ▁as ▁different ▁from ▁p rak r ti . ▁Like ▁many ▁schools ▁of ▁H indu ism , ▁in ▁S ā mk h ya ▁and ▁Y oga ▁schools , ▁the ▁emphas is ▁is ▁on ▁the ▁att ain ment ▁of ▁knowledge , ▁vid y ā ▁or ▁j ñ ā na , ▁as ▁necessary ▁for ▁salv ific ▁liber ation , ▁m ok sha . ▁Y oga ' s ▁purpose ▁is ▁then ▁seen ▁as ▁a ▁means ▁to ▁remove ▁the ▁av id y ā ▁- ▁that ▁is , ▁ignor ance ▁or ▁mis leading / in correct ▁knowledge ▁about ▁one ▁self ▁and ▁the ▁universe . ▁It ▁see ks ▁to ▁end ▁ordinary ▁ref lex ive ▁aw aren ess ▁( c itt av r tt i ▁n iro dh ah ) ▁with ▁deeper , ▁pur er ▁and ▁hol istic ▁aw aren ess ▁( as am pr ā j ñ ā ta ▁sam ā d hi ). ▁Y oga , ▁during ▁the ▁purs uit ▁of ▁m ok sha , ▁encourag es ▁practice ▁( ab hy ā sa ) ▁with ▁det achment ▁( v air ā gy a ), ▁which ▁over ▁time ▁leads ▁to ▁deep ▁concentration ▁( sam ā d hi ). ▁Det achment ▁means ▁withdraw al ▁from ▁outer ▁world ▁and ▁cal ming ▁of ▁mind , ▁while ▁practice ▁means ▁the ▁application ▁of ▁effort ▁over ▁time . ▁Such ▁steps ▁are ▁claimed ▁by ▁Y oga