Left-arm fast bowler Kazi Kamrul Islam has sprained his ankle during a training session with Bangladesh A in Mirpur, ahead of their invitational tournament in India. Debashish Roy, the Bangladesh Cricket Board doctor, said it would take three weeks for Kamrul to recover, meaning he will miss the Indian tournament, which begins on July 27.Kamrul has 120 wickets in 38 first-class matches for Chittagong, and was picked for the Bangladesh A side after finishing with 26 wickets in seven matches in the 2011-12 season’s National Cricket League.He is set to be replaced by pace bowler Robiul Islam, who was among the four standbys for the squad. Sylhet’s Robiul has played three Tests, and taken 144 first-class wickets in 47 matches.