hey sachin if u really wanna prepare hard for cpt .... i have heard about a self study reviewer by coursemate
you can check it on their website www.coursemateonline.com... i find it gr8 may be it will help you too....
it has got summary notes for all four sub. and got practise test papers & mock tests too.....
and you can keep track of your progress also....
Best of Luck bro for ur attempt...