Fastest 50 in T20

KL Rahul - In 14 balls for Kings XI Punjab Vs Delhi Daredevils at Mohali on 8th April 2018

Yuvraj Singh - In 12 balls Vs England at Durban on 19th Sept 2007

Chris Gayle - In 12 balls for Melbourne Renegades Vs Adelaide Strikers at Melbourne 18th Jan 2016.