 The first serious attempt to date Jayarāśi Bhaṭṭa was undertaken by Sukhlāljī Saṁghavī and Rasiklāl C. Pārīkh, who brought the Tattvôpaplava-siṁha to light, in their 1940 edition (p. iv-xi) of the treatise, assign the work to 8th century (p. x). This dating was slightly modified by Sukhlāljī Saṁghavī (1941) who placed Jayarāśi’s Tattvôpaplava-siṁha between 725–825, which, in turn, is accepted by Eli Franco (1987: 12–13). However, the latter, in the ‘Preface to the second edition’ of 1994, modifies the date of Jayarāśi Bhaṭṭa and assigns him to the period of 770–830 on the basis of what he thinks are Jayarāśi’s indirect references (primarily terminological grounds) to the Buddhist philosopher Dharmottara (ca. 740–800).