Sources of information
The chief sources of information regarding the Chavda rule are the opening chapters of the Prabandhachintámaṇi and Vicháraśreṇi, Sukṛitasankírtana, and Ratnamálá. All of these works are written during rule of Chaulukya dynasty, successors of Chavdas. The Prabandhachintámaṇi and Vicháraśreṇi were written by Merutunga. The Prabandhachintámaṇi is a short historical compilation; the Vicháraśreṇi, though a mere list of kings, is more reliable. Kṛishṇabhaṭṭa's Ratnamálá is a poetic history with good descriptions and many fables taken from the Prabandhachintámaṇi. Arisiṇha's Sukṛitasankírtana is a short work largely borrowed from the Vicháraśreṇi.
The reference to them was found in a Navsari copperplate of Chalukya governor of Lata region (modern-day South Gujarat) Avanijanashraya Pulakeshin dated 738-39 CE which enlisted the dynasties defeated by Arabs (Tajika) and finally repelled by him. In it, Chávoṭaka is mentioned after Kachchela and Saindhavas.
Dharanivaraha's Haddala grant dated Shaka 836 (914 CE) mentions himself as Chapas of Vardhamana (now Wadhwan). Dharanivaraha was subordinate of Mahipala of Gurjara-Pratihara (of Kanauj). The grant was issued to Acharya of Amardaka Santana of Vimkala village (Shaiva sect). It also mentions his ancestors; Vikramarka, Addaka, Pulakeshin, Dhruvabhata followed by himself.