With this rank you get SSET Ernakulam in Kerala but not CSE branch because its cutoff was so high last year you may get branches other than this for sure.

Also you can try other colleges too which is accepting keam score for the admission of CSE to know more refer link

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-ernakulam-accepting-keam

With a KEAM rank of 25221, you have a good chance of getting into a decent college in Ernakulam, Kerala, for Computer Science Engineering. Here are some colleges you might consider:

1. Mar Athanasius College of Engineering, Kothamangalam: This college offers a B.Tech in Civil Engineering, but it is also known for its strong engineering programs

2. Indira Gandhi Institute of Engineering and Technology for Women This college is listed among the top computer science colleges in Ernakulam

3. MUTHOOT INSTITUTE OF TECHNOLOGY AND SCIENCE: This college is also listed among the top computer science colleges in Ernakulam

4. Vidya Bharathi Nagar, Mattoor, Kalady, Ernakulam, Kerala This college offers a B.Tech in Computer Science and Engineering and is known for its strong academic programs

5. Syrian Park, Arjun Hills, Koothattukulam, Ernakulam, Kerala: This college is also listed among the top computer science colleges in Ernakulam

6. Hormis Nagar, Mookkannoor P.O., Angamaly, Ernakulam, Kerala: This college offers a B.Tech in Computer Science and Engineering and is known for its academic programs

These colleges are known for their strong engineering programs and have a good reputation in the region. However, it is essential to check the specific cut-off ranks for each college and the availability of seats for the current academic year.