the fastest half century in T20 was scored by Sanath Jayasuriy in 12 balls
Brendon McCalen
Yuvaraj Singh
61 times
Robin Uthappa scored the first ever half century for India in twenty20 cricket, on 14 September 2007 against Pakistan.
I don't now u tell me
MD. samsul bari from brahman baria
fastest vet for half marathon
Zaheer Khan
83 so far (20-aug-13)
Now it is Yuvraj Singh who scored fifty in just 12 balls. It is against England in recently concluded Twenty20 world cup,in 2007,at south Africa. Yuvraj hit 6 consecutive sixes in an over to complete his half century.
Sachin's debut first-class half-century came in his debut first-class match (he scored 100 not out) for Bombay against Gujarat on December 10 - 12, 1988.