Bharatiya Jyotihshastra (History of Indian Astronomy), translated by R. V. Vaidya v2.c13.s2.93

v2.c13.s2.93

In addition to this, the names of the authors, VASANTA RĀJA and the works Gaṇitasāra and Cūḍamaṇi *also occur in it. It, therefore, shows that all these works belong to a date earlier than Śaka 1097. There is a commentary named Jayalakṣmī by Harivamśa on the Narapati Jayacaryā; similarly, Narahari, Bhūdhar and Ramanath have also written commentaries **on it. Rama Vaj-pai, ***son of Sūryadas, a resident of the holy city of Naimiṣa, has compiled a work, named Samara Sāra on the science of ‘svara’ His brother Bharat has written a commentary on it. This ‘Svara-śāstra’ is mainly based on the nature of the air breathed through the nostrils: There are several other works on the subject.