India's Manjot Kalra celebrates reaching his half-century during the U-19 cricket World Cup final match between India and Australia. Pic/AFP

India defeated Australia by eight wickets to claim the ICC U19 World Cup for a record fourth time here on Saturday. Electing to bat first, Australia were dismissed for 216 runs in 47.2 overs. Ishan Porel, Shiva Singh and Anukul Roy picked up two wickets each for India.