Yes , you can get but I think 90% is still not enough in CAT.
Candidates who have a graduation in any discipline can appear for CAT 2016. Candidates who wish to appear for CAT 2016 should have a minimum of 50% marks or equivalent CGPA. For candidates belonging to reserved categories the percentage is reduced to 45%. The admission criteria for IIM Ahmedabad comprise of two steps. In the first step, candidates are short-listed for Academic Writing Test and Personal Interview from among the candidates who have taken CAT 201x, fulfilled the eligibility criteria and have applied to the programme.