I believe the HR might ask for your pay slips, CPF statements, bank statements etc to confirm your last drawn pay.

They may also perform a reference check to find out why your last drawn pay is not aligned to your years of experience in the industry.

They may or may not match it based on the findings above.

Some companies also follow an internal equity model of salary offer where they peg your offer to another internal employee with similar YOE and job scope.