Visiting Time for Ramakkalmedu

Can we reach this place around 5.30/45 AM in the morning to view sunrise from here?

Is this a open place or do we need to visit only after the Tourist department opens the place for public for eg: after 8.30 AM or so?

Some reviews state about car reaching upto 300 mts of the statue, while some of them state about trekking 2 kms or so.

Even if we were to trek how long does it take for up and down.