In the late 40s, he was stricken with tuberculosis and was told by doctors that he would never sing again. He was advised to move to the drier climate of Dewas, Madhya Pradesh for his health. For the next six years, Gandharva endured a period of illness and silence. Doctors told him that trying to sing could be fatal and that there was little hope of recovery. Stories of Gandharva in this period depict a man lying in bed and listening to the sounds of nature around him: birds, the wind, and passing street singers. They also detail how he would hum to himself, almost inaudibly. Hess speculates that this was the beginning of Gandharva's radical new conception of the "nirguni bhajan", which celebrates a formless (nirguna) divinity.