CAT is the entrance examination for admission to all the 20 IIMs and as many as 1000 participating Institutions. And each one of them has different fee structure. For example, here is the fee structure for the IIMs.

IIM CALCUTTA: 20.1 lakhs

IIM BANGALORE: 21 lakhs

IIM AHMEDABAD: 25 lakhs

IIM LUCKNOW: 14.16 lakhs

IIM KOZHIKODE: 17.5 lakhs

IIM INDORE: 16 lakhs

IIM SHILLONG: 19 lakhs

IIM ROHTAK: 13.8 lakhs

IIM RANCHI: 15 lakhs

IIM RAIPUR: 14.20 lakhs

IIM TIRUCHIRAPPALLI: 23.6 lakhs

IIM KASHIPUR: 13.15 lakhs

IIM UDAIPUR: 13.25 lakhs

IIM NAGPUR: 12.10 lakhs

IIM AMRITSAR: 10.25 lakhs

IIM BODH GAYA: 8.85 lakhs

IIM SIRMAUR: 10.34 lakhs

IIM VISHAKAPATNAM: 12 lakhs

IIM SAMBHALPUR: 10 lakhs

IIM JAMMU: 11.5 lakhs

If you are looking for any College in particular, please do let us know and we shall help you with relevant information.