Brihat Samhita was the treatise of which of the following subjects?

Correct option is A

The correct answer is (a) Astronomy.
· The Brihat Samhita is an ancient Indian treatise written by the scholar Varahamihira.
· It is an encyclopedic work primarily dealing with astronomy and astrology, covering a wide range of topics including planetary motions, eclipses, and astrological predictions.
· In addition to astronomy, the Brihat Samhita also discusses natural phenomena, meteorology, architecture, and various other subjects, but its primary focus remains on astronomy and astrology.