In the first 20-20 world cup in 2007, Yuvraj Singh blasted six sixes in an over. He was the second Indian to achieve this feat in first class cricket. Who was the first?

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).