Tyagi represented India in four ODIs and a T20I and had announced his retirement on Tuesday. He is currently quarantined in Hambantota where the showpiece event will be played from November 26.
Gayle was set to join the former India all-rounder Irfan Pathan, Munaf Patel, local icon Kusal Perera, Sri Lankan T20 specialists Kusal Mendis and Nuwan Pradeep, and England right-arm fast bowler Liam Plunkett among others in the team.
