Who wrote the first textbook on Jyotish?

Q. Who wrote the first textbook on Jyotish?

(a) Panini

(b) Patanjali

(c) Katyayan

(d) Bhrigu

Ans: (d) Bhrigu

Explanation: Maharishi Bhrigu was the first compiler of predictive astrology Jyotisha. He is credited as the father of Hindu astrology and the first astrological treatise Bhrigu Samhita is attributed to his authorship. The Bhrigu Samhita is an astrological Jyotish classic attributed to Maharishi Bhrigu during the Vedic period.