Career
In December 2011, the Football Association of Singapore announced that Khairulhin will join the newly formed LionsXII in the 2012 Malaysia Super League. He failed to make a single appearance with first-choice Izwan Mahbud and back-up goalkeeper Hyrulnizam Juma"at ahead of him. With the departure of Hyrulnizam to Warriors, Khairulhin assumed the role of second-choice custodian behind Izwan.
He made his debut as a substitute against T-Team on 11 May 2013.
Following the exit of the LionsXII from the Malaysia Super League, Khairulhin signed for Hougang United for the 2016 South.League season following the advice of former head coach and Singapore legend Fandi Ahmad. He started the season as the first choice goalkeeper for the Cheetahs, keeping 2 clean sheets in his first 3 games.
