I agree with Mr. Kishore that CA is very tough course with little pass percent.... CA is basically course of 4.5 years i.e. 6 monts for CPT, 9 months for IPCC and 3 years for Articleship training and Final.... If you register for CA course after completion of your B.com, then you will directly appear in IPCC as CPT is exempt for graduate students as per the latest notification of institute.. Regards, Nabeel (CA-Final)

If u are able to clear all the stages in your first attempt it will hardly take 4 years. But its one of the toughest course in the world., with very little pass percent. Nevertheless u can clear if u put your efforts.