Exploration major ONGC on Sunday said that "all options" including internal accrual of resources and short term borrowing were available to fund its acquisition of HPCL.

"We have various options available with us to fund this transaction," Sudhir Vasudeva, Chairman and Managing Director of ONGC, told a press briefing here.

"There is an option of internal accruals... of short-term borrowing and liquid assets... We will exercise the most beneficial option available with us."

On Saturday, ONGC announced the acquisition of the Central government's entire 51 per cent stake in HPCL for over Rs 36,900 crore.