I am an Indian national visiting Hong Kong.planning for a day trip to Macau, do I need visa to enter

Hello, I am in vacation tour in Hong Kong for last 5 days, now I am planning to go to Macau for a day trip and come back the same day.
I want to know if I need entry permit for the same or any other documents relating to immigration.
Request for kind response. A quick response will be great.

Thanks