Yuvraj singh has hit 6 sixes in an over during Inaugural t20 World cup .He hit 6 ball out of the park off English bowler Stuart braid during India vs England match .He hit 12 ball half century in the match .
Ravi Shastri achieved the incredible feat of hitting six sixes in an over in a Ranji trophy match.
The hapless bowler was Tilak Raj. The match was Bombay vs Baroda at Bombay, 1984-85 season. Shastri remained not out on 200 and hit 13 sixes in the innings.
Yuvraj Singh became the 4th cricketer to achieve this incredible feat – the first three were Sir Gary Sobers (Nottinghamshire v Glamorgan in 1968), Ravi Shastri (Bombay v Baroda in 1984) and Herschelle Gibbs (South Africa v The Netherlands 2007).