प्रयोग रत्न भूषा - वेदिक कर्मकांड An exhaustive treatise on the vedic ritual,divided into several chapters called Ratnas,by Raghunatha, son of Ganes’abhatta, son of Raghunatha, son of Hariharabhatta, surnamed Navahasta and a most devoted pupil of Ananta Deva. Another work of Raghunatha is Prayas’-cittakutuhala, where this work is mentioned; see below Nos. 614-620. This MS. contains only the first chapter of the S’rauta Prayogaratnabhusa.Ananta Deva lived towards the middle of the 17th century; see above No. 575. Raghunatha therefore, must have lived a little later. Raghunatha is a very exhaustive writer and quotes a very large number of authorities