Charak Samhita
इह दर्वीकरः सर्पो मण्डली राजिमानिति । त्रयो यथाक्रमं वातपित्तश्लेष्मप्रकोपणाः ॥१२४॥
॥ Types of snakes and their effect on dosha॥ Snakes are classified into three categories- darvikara, mandali and rajiman and they cause aggravation of vayu, pitta and kapha respectively.
english translation
iha darvIkaraH sarpo maNDalI rAjimAniti । trayo yathAkramaM vAtapittazleSmaprakopaNAH ॥124॥
hk transliteration by Sanscript