Who among the following was the author of the famous work “Sangita Ratnakara”?

Sharngadeva

The correct answer is Option (1) - Sharngadeva

"Sangita Ratnakara" is a renowned Sanskrit text on Indian classical music theory and practice. It was written by Sharngadeva, a medieval Indian musicologist who lived during the 13th century. The text is considered one of the most comprehensive and authoritative works on musicology in Indian classical music. It covers various aspects of music, including raga, tala, musical instruments, and composition techniques, providing valuable insights into the principles and practices of Indian classical music.