There are 20 IIMs in India and the fee structure is as follows:

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

Please read our article for detailed fee structure and seats available in each IIM: https://bschool.careers360.com/articles/iim-fee-structure-and-seats