No parole for reticent murderers: Vic Libs

Murderers won't get parole unless they reveal where they hid their victims' bodies under a Victorian Opposition plan.

"Families have an absolute right to bury their loved ones who have been brutally murdered," Opposition Leader Matthew Guy said on Sunday.

"For people not to cooperate with police and deny families closure, that to me says they have not been rehabilitated."

Mr Guy told the Victorian Liberal state council in Geelong that a coalition government would introduce the parole changes if it won the 2018 election.

"Accessing parole in Victoria should be a gift, it should be something that the state rewards you for rehabilitation," he said.

"It should not be able to be accessed by our worst offenders who do not cooperate with police."

Mr Guy said families deserved to decide where their loved ones were buried.

He also said upper house MP Bernie Finn would report back to the party next year about how Victoria could support people with autism.

He said it was often too expensive to get treatment and diagnoses were made too late.

"Some families are faced between (putting) food on the table or helping their child," he said.

Mr Guy committed a future Liberal-National government to staying in budget surplus, after Victoria's auditor-general recently found the state was technically in deficit because it had counted $1.5 billion the federal government had demanded back.

"We will always run a budget surplus - that's in our DNA," he said.