Natyashastra
भारतः सात्वतश्चैव वार्षगण्योऽथ कैशिकः । भारते तु कटीच्छेद्यं पादच्छेद्यं तु सात्वते ॥ ७३॥
Bhārata, Sāttvata, Vārṣagaṇya, and Kaiśika are the four [Nyāyas]. In the Bhārata [Nyāya], the strike should be at the waist, and in the Sāttvata [Nyāya], at the foot.
english translation
bhArataH sAtvatazcaiva vArSagaNyo'tha kaizikaH । bhArate tu kaTIcchedyaM pAdacchedyaM tu sAtvate ॥ 73॥
hk transliteration by Sanscript