Can I do this course after 12th?

According to FTII, Pune's website, there are several scholarships that the institute offers and several others that potential students can avail. The institute offers the following scholarships based on merit and performance credits during the students' time there. 

1. Entrance Exam Merit - Given to toppers in each of the film wing courses; INR 12,500 per year. 
2. 1st Semester Merit - Given to the first 3 toppers; Common Module (Editing, Sound Recording & Sound Design, Art Direction & Production Design and Screenplay Writing); 1st topper get INR 24,000, 2nd gets INR 21,500 and the 3rd gets INR 19,000 every year
3. Given to acting topper; INR 24,000 / year
4. Given to screenplay writing topper; INR 24,000 / year
5. 2nd to 5th Semester Merit - Given to the 1st and 2nd topper of each course; INR 13,500 and INR 11,500 respectively. 

Other scholarships include Kamalakar Scholarship, Phalake Memorial Honour, Baburao Patel Scholarship, etc. Check out the FTII website or simply Google FTII JET Scholarships for more info.

These are some books that may surely help budding actors to try and get a seat at FTII Pune. "Acting for Film" by Michael Caine goes into some wonderful minute details of how to do things on camera, whereas "The Art of Acting" by Stella Adler can help with building characters and techniques. "An Actor Prepares" by Constantin Stanislavski is a very great classic that explores the psychological side of acting, giving knowledge foundation. The "Complete Actor's Manual" by Richard A. Miller contains practical exercises and advice for the young aspiring actor. These prepare not only for the entrance examination but also help him grasp the craft of acting for being successful at FTII.