When does the admission process usually start? Should the exam be taken in September or in February if applying though CMAT scores?

Hi, The admission process starts between march end and first week of april, with the registration of CET conducted by D.T.E., Maharashtra. Candidates can apply to All India seats which are 15% of total seats i.e. 18 seats through percentile scores of any one or more from CAT/XAT/CMAT/GMAT/MAT/ATMA