Colombo (25/08 – 20.00) Chameera had sustained an injury on his left leg during the team practice. He has been replaced by Nuwan Thushara in the 18-man squad.
Sri Lanka had announced their squad on Saturday, 20 August, minus Binura Fernando and Kasun Rajitha, who are also nursing injuries.
While Sri Lanka have an experienced spin bowling line-up, their fast-bowling unit now mostly features uncapped players in T20Is – Dilshan Madushanka, Pramod Madushan, Asitha Fernando and Matheesha Pathirana; the replacement Thusara only having played a handful of T20Is.
28-year-old Thusara, who debuted in February this year, has featured in four T20Is and picked up two wickets.
Sri Lanka are part of Group B in the Asia Cup and their campaign will begin on 27 August, against Afghanistan in Dubai. Their second match will be against Bangladesh on 1 September.