Who among the following is an Indian Singer of Hindustani Classical Music?

Shubha Mudgal

The correct answer is Option (2) → Shubha Mudgal

Out of the options you listed, only Shubha Mudgal is an Indian Singer of Hindustani Classical Music.

• L Subramaniam - While a renowned violinist, he is not a vocalist associated with Hindustani classical music.
• Kishan Maharaj - He was a legendary tabla player, a percussion instrument used in Hindustani classical music, but not a singer.
• Dwaram Venkataswamy Naidu - Though a distinguished Carnatic vocalist (Carnatic music is a different system of classical music in South India), he is not associated with Hindustani classical music.