Hi Aspirant,

The UG admission in IIT Madras is based on JEE Advanced exam rank.For this firstly you have to clear JEE main exam inorder to appear for JEE Advanced.The previous year opening cut off was 67 for electrical branch for OBC community and closing cut off was 279.

For more details regarding the cut off and the rank for various categories and branches you may refer the below link.

https://engineering.careers360.com/articles/jee-advanced-cutoff-for-iit-madras

All the best!!!