ATC is a course which is conducted by ICAI for the students who can't do CA as a long term courses and want to do a good profile job after doing B.com,you can appear for ATC only after clearing you CA inter 1 St group, and you have to work under a Charted accountant for the duration of one year.
A person would be given the Accounting Technician Degree by ICAI upon completion of given below steps : 1. On clearing the Accounting Technician Exam i.e. CA Intermediate | CA IPCC Group I Exam 2. On completing the 35 hours Orientation and 100 hours Information Technology Training 3. On completion of 12 months of Articleship Training under a Chartered Accountant Further there is no restriction to pursue the CA Course even after availing the Accounting Technician Degree. A Candidate may register for the Accounting Technician Course directly after passing Class XIIth exam or after completing Graduation. He /she would be required to appear for CA Foundation | CA CPT + ATC Exam if enrolled after Class XIIth exam whereas a candidate enrolled after Graduation under the Direct Entry Scheme would be exempted from CA Foundation | CA CPT , they would have to appear for only ATC Exam . Since you have appeared for CA final , it implies you must have completed 12 months of Articleship Training +35 hours Orientation +100 hours Information Technology Training , if so you can apply to ICAI for Accounting Technician Degree online in this link http://www.icai.org/addupdate/dec72008.php