As a former student of IIM Kozhikode, I want to make it clear that no program offered at any of the IIMs comes with 100% placement assurance.
You’ll be offered the best placement assistance, but they can not guarantee a job. Moreover, the placement process at IIMs is mostly run by students. It is unlike private colleges, where large teams work to make the students placement ready, and also bring in companies during placement season.
I would hence suggest you choose IIMK not just for placements, but also to attain high quality education and exposure.
If you are interested in liberal studies, TISS is the best brand. It is unbeatable in this field. It offers diversified courses such as Rural Development, MSW Social Work, Development Studies, etc. The faculties are great and the student exchange program is so much better.
IIM Kozhikode is a management college where 70% of the students are engineers. You will not benefit by pursuing liberal studies from here. It is suggested if you aim for TISS and prepare for the entrance exam which is the TISS-NET.
In short, for liberal studies and humanities, TISS> IIM K.