My academic background is 78% in 10th, 54% in 12th, two year drop for IIT preparation and 59% in Engineering from Pune University and 13 months job experience. Will I still able to manage to get seat in IIMs or other B-Schools through CAT?

hi . myself equbal khan and i am working as a mechanical design engineer in pune. my academic back ground is not very sound with 78% in tenth, 54% in 12th , a two year drop for preparation for iit and finally mechanical eng. from pune university with 59%.Although i am elligible for cat as per their requirements, will i still be able to get into iim's or other good b schools even though i clear their cutoff percentile . i will have a 13 months experience at the end of this year. i am very much interested in pursuing my mba . please help me out. thanking in anticipation