PRO TIP - Avoid going on sundays / holidays since the place has become too crowded recently
be at the check post before 0530hrs to avoid queues
Try to go by bikes as much as possible to enjoy the curves - also helps avoid the airport toll for 4 wheelers ;)
Take 1 water bottle each and beware of monkeys trying to steal food
You may try visiting the Devanahalli fort while returning to Bangalore