Hello Dinesh, 

Look there are a lot of colleges where you can apply using your mark scored. There are some good colleges in private as well as Government which might be suitable for you. 

Some of the good colleges particularly in Madurai are given in the following link. Please go through it. Here you can check ranking, Cut-off marks of each college, Fee structure, Facilities they provide. 

https://collegedunia.com/engineering/madurai-colleges

Also, go through the reviews of each college, it will help you to know more about the college and its education system. 

Some of the engineering colleges of Madurai conduct their own entrance exam, and some admit through JEE score. Many engineering institutes in Madurai have good reviews by students like K.L.N College of Engineering, P.T.R. College of Engineering.

As there are various branches of Bachelor of Technology, B.Tech like Computer Science(CS), Electrical, Mechanical, etc. You should choose the branch of engineering in Madurai, according to your passion, interest, skill set. If you are keen interested in developing software, colleges in Madurai for b tech with CS branch may be the good career option. Here you can find the list of best government and private B.Tech colleges like Madurai Kamaraj University, Raja College  Of Engineering & Technology.

Hope you find this information useful.Have a great career ahead.