Ravindra Jadeja's knee injury is "pretty serious" and the Indian all-rounder could miss the upcoming T20 World Cup. Jadeja, who picked up a knee injury during the ongoing Asia Cup, is expected to be out of action for an "indefinite period of time," according to an official of the Board of Control for Cricket in India (BCCI). The 33-year-old Saurashtra cricketer will undergo surgery on his right knee.