The correct answer is: A. a-3, b-1, c-2, d-4
Yamini Krishna Murthy is a Bharatnatyam dancer. M. S. Subbulakshmi is a vocalist. Vishnu Digambar Paluskar is a musician who is considered the father of the Hindustani classical music vocal style known as the Kirana Gharana. Pt. Shivikumar Sharma is a musician who is known for his mastery of the santoor, a stringed instrument from the Himalayas.
Option B is incorrect because Yamini Krishna Murthy is not a vocalist. Option C is incorrect because Vishnu Digambar Paluskar is not a Bharatnatyam dancer. Option D is incorrect because Pt. Shivikumar Sharma is not a vocalist.