As you have asked about the eligibility details for the MBA program of the Indian Institute of Technology (IIT) Madras, I am giving you information about it, check below for the details

Regular Candidates

They should possess a valid score in the Common Admissions Test (CAT) conducted by the Indian Institutes of Management.
IIT Graduates who obtain a CGPA of 8 and above on 10 are exempted from CAT score.
Shortlisting will be based on a composite score with due weights to applicant’s CAT score, past academic performance, industry experience and gender.

Sponsored Candidates

Company Sponsored Candidates
They should forward their application through proper channel.
They must have a minimum work experience of two years and a valid, good score in national level entrance tests such as CAT/XAT/MAT.

Defence personnel are exempted from the national level entrance test.
Candidates who are working with the Defense forces are encouraged to apply through respective government agencies.

Non-Resident Indian and Foreign Nationals

Short listing for this category shall be on the basis of

GMAT score
Past academic performance
Letters of reference and
Work experience

Minimum Academic Qualifications for Regular/Sponsored/NRI & Foreign Candidates

Graduates (or professional qualification equivalent to that of a University degree recognized by the UGC) in any discipline
For Defence personnel the minimum percentage of marks in qualifying degree will be 55%.
Final year students (of the above-mentioned programme) are also eligible to apply.

SELECTION PROCEDURE

Candidates from all categories shortlisted based on the composite score shall be called for a personal interview to a given location

Performance in group task, written communication and personal interview
Composite score obtained by the candidate as explained earlier.