He is generally called Chanakya ( taken from his father 's name `` Chanak '' ) but , in his capacity as author of the ArthaÅ hÄ stra , is generally referred to as Kautilya derived from his gotra 's name `` KOTIL '' ( Kautilya means `` of Kotil '' ) . He is generally called Chanakya ( derived from his father 's name `` Chanak '' ) but , in his capacity as author of the ArthaÅ hÄ stra , is generally referred to as Kautilya derived from his gotra 's name `` Kotil '' ( Kautilya means `` of Kotil '' ) .