recontinuing course after 7 years

I registered for CA course in 1999. completed 9 months articleship, got eligibility for group 1 inter but discontinued my studies & have not yet appeared for any of the groups. now the systems have changed. i am teaching management subjects in a college & want to recontinue my CA studies. my accounts is week & am not in touch with CA or Ca students. what formalities i have to complete to appear for exams? how can i find someone who can help me with studies as i find it very uncomfortable  to sit in coaching classes ?