There are so many places in Chennai for entertainment out of which I suggest Ampa SKY Walk for best entertaining place.
It contains following multiple options for entertainment:
1. Shopping like clothing, jewels,
2. Food courts like McDonalds, pizza hut etc.,
3. PVR cinemas
4. Super markets- star bazar
5. Snow skating -pandora
6. Hotels Etc., and also it is having parking facilities also.
Ampa Skywalk Mall Office
No:1, Nelson Manickam Road,
627, Poonamalee High Road,
Chennai - 600 029.
Working hours - 10 Am to 10 pm (except cinema & restaurants)
I think this will be a useful information to you & enjoy the free time.