CAT/XAT Scores are generally considered as a basis of Interview Calls in most of the Top B-Schools. You need atleast a score of
99.50+ for Ahmadabad with Good Academics
99.60+ for Calcutta,
98+ with work experience of 12 months & steller Academics for Bangalore,
98+ for Lucknow,
97+ for Kozhikode & Shillong
96+ for Indore with Steller Academics
But, there have been cases where people get calls despite low CAT Percentiles.
1) IIM Ahmedabad - Profile Calls
IIM A Calls top 5% (Upto 100) of the Applicants who appeared for CAT in their respective streams i.e. Engineering, Medical, CA/CS/ICWA, Commerce, Science, Economics & Arts. So there have been many cases where GENERAL candidates get these calls :
Law Graduate called at 87.87 %ile. (Source : Quora)
BA Graduate called at 89.67 %ile. He even converted it. (Source: NDTV)
CA Called at 97.07 Percentile. (Source: Confirmed directly)
2) IIM Bangalore - Profile Calls
Top 10 candidates in each of the following : CAT Score, adjusted Bachelors’score (commerce, arts, and science disciplines & CA/ICWA/CS) automatically qualify for PI at IIM Bangalore.
CA called at 97.07 Percentile with 71% in CA (IPCC + Final). (Source: Confirmed directly)
3) SP Jain - Profile Calls
SP Jain gives a lot of calls to candidates with a good profile irrespective of their CAT Percentile.
Fresher GEM with great profiles can get calls from SP Jain at 89 Percentile.
4) OBC/ST/SC/PWD
Almost 40% Seats of Top B-Schools are reserved for the under-previledged class. So, they get shortlisted at low percentiles.
A Fresher GEM got calls from ABC under ST/SC reservation at 87 %ile.
PWD Candidates are being encouraged by all IIMs. This gesture really goes a long way. They get shortlisted at low Percentiles in CAT.
A Fresher GEM got called from ABC under PWD Reservation at 42 %ile.