Hi Sathya,
Please share your views.
run it on http://trisquel.info/ , run sugar on it
http://trisquel.info/en/trisquel-sugar , you have http://www.squeak.org/
and http://scratch.mit.edu/ , also you can get a long list of them from
http://www.edubuntu.org/ .
Thanks for the pointers. I will evaluate these.