Who among the followings was an Indian singer of the Khayal genre of Hindustani classical music from Karnataka?

Gangubai Hangal

The correct answer is Option (1) → Gangubai Hangal

Out of the options you provided, the singer of Khayal genre of Hindustani classical music from Karnataka is:

Gangubai Hangal

She was known for her deep and powerful voice and belonged to the Kirana Gharana.