An Evening of Expression – Airtel promotes Assam’s singing sensation – Mayukh & Laili Hazarika A young singer from Assam, Mayukh Hazarika, steps gingerly on to the stage with his wife, Laili Hazarika in presence of the legendary Axom Ratna, Dr. Bhupen Hazarika, and overwhelms the audience with his mellifluous voice at the launch of…