As the name itself suggests, the risi Madragara Shaungayani belonged to the Madra tribe, i.e. the Uttaramadras who inhabited the northernmost reaches of Punjab.
[12] Pt Bhagva Datta points out that Dr G. Opart had referred to a nirukta (etymology) whose authorship he attributes to a certain Upamanyu.
[13] Commenting on the Vamsa Brahmana list of Vedic teachers, Albrecht Weber writes: "One fact deserves to be especially noticed here, namely, that several of the teachers mentioned in the Vamsa Brahmana, by their very names, points us directly to the north-west of India, e.g. Kamboja Aupamanyava, Madaragara Saungayani, Sati Aushtrakshi, Salamkayana and Kauhala".
[14] And commenting on the same list, R Morton Smith also writes: “The names Kamboja Aupamanyava, Sati Austraksi and Madragara Saungayani suggest a North-west connection for the main branch of the Vamsa Brahmana.
[19] Prof B. N. Datta comments: "...In the list of Brahmana gotras mentioned in the Matsya-Purana,[20] the name "Kamboja" is to be found.