The correct answer is Patiala Gharana.

Bade Ghulam Ali Khan was a highly influential and celebrated Hindustani classical vocalist. He belonged to the Patiala Gharana, a prominent musical lineage known for its distinctive style. The Patiala Gharana is characterized by its powerful and vibrant vocal delivery, often featuring a strong emphasis on melody and rhythmic precision. Its vocal style is marked by a rich, resonant tone and a wide range. The Gharana's repertoire includes a vast collection of ragas, and it has significantly contributed to the evolution of Hindustani classical music. Many renowned vocalists have emerged from the Patiala Gharana, further solidifying its legacy and impact on Indian classical music. Understanding the distinct characteristics of various gharanas is crucial to appreciating the nuances and diversity within Hindustani classical music. The Patiala gharana, with its powerful and majestic style, is easily distinguishable from others like the Kirana, Gwalior, and Agra Gharanas, each having its unique vocal characteristics.