The author of ‘Dayabhaga’ was

Jimutavahana
Vijnaneshwara
Vashishtha
Narada

The correct answer is (a) Jimutavahana.

Jimutavahana was an Indian jurist who lived in the 12th century CE. He is best known for his work the Dayabhaga, which is one of the most important texts on Hindu law. The Dayabhaga deals with a wide range of topics, including marriage, inheritance, and property law. It is still considered to be an authoritative text on Hindu law in many parts of India.

The other options are incorrect. (b) Vijnaneshwara was a 13th-century jurist who wrote the Mitakshara, another important text on Hindu law. (c) Vashishtha was a Vedic sage who is credited with writing the Vashishta Smriti, a text on Hindu law and ethics. (d) Narada was a Vedic sage who is credited with writing the Narada Smriti, a text on Hindu law and ethics.

I hope this helps!