Coonoor Experience: Nice place to stay for 3/4 days for a relief from summer heat. Sim's Park you can visit twice or thrice.
Visit New Indian bakery buy Warki and biscuits they are nice and remain fresh for 5 days.
Food, sight-seeing and shopping: Don't miss New Indian bakery warki and biscuits they are nice.The food and courtesy extended at the Nest is worth the price.
Activities & things to do: Vsit Sim's park and have a boat ride and take some snacks and have a picnic. you can stay long there under the shades of the trees in plenty.
On the way you can visit Karamadai
Ranganatha temple and then Tirupathi.
Travel tips, How to reach, travel warnings etc: You can get an Indica a nice car ,its a/c works grand
It runs smoothly but parking is a problem near Coonoor Bus stand and too much of traffic and all the shopping to be done in that area only.Get the car from ?Coimbatore and it will work out cheaper for you can use that for going to Ooty and Kotagiri.