Amanat Ali Khan From Wikipedia, the free encyclopedia Ustad Amanat Ali Khan (1922 – 1974) was a Pakistani classical singer. The late 1950s and early 1960s saw the rise of seraphic singer Ustad Amanat Ali Khan. The prestigious Patiala Gharana, the family that sworn to carry on the traditional and classical aura of Hindustani music, saw another immaculate and faultless singer adding more shine, prestige and prosperity to their name. Along with Ahmed Rushdi and Mehdi Hassan, he was a top singing icon of the Indian subcontinent.