To which of the following Gharanas did the Hindustani classical vocalist Ustad Bade Ghulam Ali Khan belong?

Patiala Gharana

The correct answer is Option (1) → Patiala Gharana

Ustad Bade Ghulam Ali Khan belonged to the Patiala Gharana of Hindustani classical music. There had been some confusion about this affiliation, with some sources mentioning Kasur Gharana. However, the Patiala Gharana is the widely accepted and acknowledged Gharana for this legendary vocalist.