About practical training of ipcc

Hello friends, I'm doing 3rd B.com at madras christian college,chennai,

i wanted to continue my CA course on the base of Direct Entry scheme.......

so i registered for provisinal registration with my previous semesters mark sheet.....

but many of my friends are saying, in order to the eligibility of CA IPCC examination, i have to complete 9 months of practical training with ths study course.......... so i'm confused about that practical  traing.......

what is that practical training befror CA IPCC exam?

Is that mandatory to complete? or optional? for the eligibility of exam...........

Will that be included in 3 years of airticleship traning? or

Is that means ITT &Orientation course??

I NEED ANSWERS FOR ALL THESE QUESTIONS..........PLS HELP ME........