Star spinner Rashid Khan misses out on Afghanistan's Test squad against Sri Lanka due to ongoing recovery from back surgery. His absence opens the door for Qais Ahmad, despite limited Test experience, while four uncapped players - Noor Ali Zadran (batter), Zia-ur-Rehman (left-arm spinner), Mohammad Ishaq (wicketkeeper-batter), and Naveed Zadran (right-arm medium-pace bowler) - earn their maiden call-ups for the historic clash in Colombo.