The correct answer is D. Vocal Music.
Achchan Maharaj was a Hindustani classical vocalist who was born in 1852 in the village of Gwalior, India. He was the son of a court musician and began his training in music at a young age. He was a disciple of the famous singer Alladiya Khan and became one of the most renowned vocalists of his time. He was known for his powerful voice and his mastery of the khayal style of singing. He also composed many ragas and songs. He died in 1922.
Option A is incorrect because painting is a visual art form that involves the creation of images on a surface. Achchan Maharaj was not a painter.
Option B is incorrect because drama is a form of performance art that involves the use of dialogue, music, and movement to tell a story. Achchan Maharaj was not a dramatist.
Option C is incorrect because dance is a form of art that involves the use of movement to express oneself. Achchan Maharaj was not a dancer.