Following is the max. capacity of various IITs with usual admission trend
IIT Delhi: 10 (4-6 admitted usually, based on project requirements)
IIT Bombay: 50 ( more than 25 students almost always admitted)
IIT Madras: 17 (1 seat in Biomedical and 16 in Biotech; 10-12 admitted usually)
IIT Guwahati: 50 ( more than 30 admitted usually)
IIT Kanpur: ~30 ( more than 15 admitted usually)
IIT Kharagpur: 24 (more than 15 admitted usually)
IIT Roorkee: 15 (more than 10 admitted)
Hope it helps
IIT Delhi: 10 (4-6 admitted usually, based on project requirements)
IIT Bombay: 50 ( more than 25 students almost always admitted)
IIT Madras: 17 (1 seat in Biomedical and 16 in Biotech; 10-12 admitted usually)
IIT Guwahati: 50 ( more than 30 admitted usually)
IIT Kanpur: ~30 ( more than 15 admitted usually)
IIT Kharagpur: 24 (more than 15 admitted usually)
IIT Roorkee: 15 (more than 10 admitted)
Hope it helps