Which legendary shehnai maestro, a Bharat Ratna awardee, is credited with elevating the shehnai from a folk and wedding instrument to a respected classical concert instrument?

• A Ali Akbar Khan
• B Vilayat Khan
• C Alla Rakha
• D Bismillah Khan ✓

Ustad Bismillah Khan (1916-2006) was the undisputed master of the shehnai, whose performances at the Red Fort on Independence Day became a national tradition.