Following is the list of test cities for ISI entrance exam:

Ahmedabad, Bengaluru, Bhubaneshwar, Kolkata, Chandigarh, Chennai, Cochin, Coimbatore, Dehradun, Delhi, Durgapur, Guwahati, Hyderabad, Indore, Jaipur, Jamshedpur, Kanpur, Mumbai, Nagpur, Patna, Pune, Raipur, Ranchi, Silchar, Siliguri, Tezpur, Vijayawada, Varanasi, Visakhapatnam.

For more information regarding the same, kindly visit the following link: https://www.isical.ac.in/~admission/Test-Centers.html