hi,

see time to time iisc changes it admission process, last year there  was written test and interview for electrical, mechanical, climate change, artificial intelligence disciplines have interview and written test along with gate score. however this year in the official website there is no mention of written test and interview, only gate score is need to apply.

you may follow the below link to know in details,

https://www.iisc.ac.in/admissions/m-tech-m-des/#ffs-tabbed-213