[2] He is an all-rounder who bats left-handed and possesses the ability to bowl both right-arm and left-arm spin.
He moved to Sydney, New South Wales, Australia, in 2013 at the age of 10, with his father, mother and older brother.
[9] Radhakrishnan spent the 2017 and 2018 Tamil Nadu Premier League seasons with Karaikudi Kaalai and Dindigul Dragons, respectively.
In 2020, he was one of the four cricketers to win the Bill O'Reilly Medal and also received the Basil Sellers Scholarship.
[14][15] In December 2021, he was named in Australia's team for the 2022 ICC Under-19 Cricket World Cup in the West Indies.