Natyashastra
आसारितेषु गीतेषु वर्धमानेषु चैव हि । वर्धमानं तु विज्ञेयं चतस्रः कण्डिका बुधैः ॥ १२५॥
In the Āsāritas, in songs, and in the Vardhamānas, the Vardhamāna is to be understood as consisting of four parts (khaṇḍikas), as prescribed by the sages.
english translation
AsAriteSu gIteSu vardhamAneSu caiva hi । vardhamAnaM tu vijJeyaM catasraH kaNDikA budhaiH ॥ 125॥
hk transliteration by Sanscript