Your KEAM rank is not so good so you may not get the top colleges in Kerela like College of Engineering Trivandrum and College of Engineering Thrissur.
You can go for some private colleges but they may not the best ones.
You can only get the Rajgiri School of Engineering and Technology if you belong to the schedule cast otherwise there is a big NO.
You can visit the site that shows the list of private colleges in Kerela by the link given below-
All the best!