CAT 2014 was recently concluded and admissions have already started using CAT 2014 score. The news is that CAT 2015 will be conduced by IIM Ahmedabad and testing center will remain the same viz. TCS. CAT 2013 and 2014 was conducted by IIM Indore.
Indian Institute of Management (IIM) Ahmedabad in partnership with the CAT testing agency TCS will be conducting CAT Exam 2015. CAT Examination 2015 will be conducted in October - November 2015 as per the tentative schedule. For 2 successive years CAT 2013 and CAT 2014 was convened by IIM Indore successfully with Dr Rohit Kapoor being the convenor for the CAT Exam.
IIM Ahmedabad was the first IIM which conducted the CAT Exam online back in 2009 when this format was introduced. There could be changes in the CAT Exam 2015 as well like in the one recently concluded.