hi,

see iim ahmedabad evaluates the candidates academic records, cat score of percentile as section wise to shortlist candidates for interview process, however your score is decent, also it depends on candidates category, previous years cat cutoff was as follows,

General, EWS,  pvrc- 70  pdilr- 70,  PQA- 70, overall percentile- 80

NC-OBC-cum-transgender,  pvrc- 65  pdilr- 65,  PQA- 65, overall percentile- 75

sc ,  pvrc- 60  pdilr- 60,  PQA- 60, overall percentile- 70

st,  pvrc- 50,   pdilr- 50,  PQA- 50, overall percentile- 60