you certainly do not have chances to get admission in lower NIT's and in IIT's. Therefore you can check your chances through GATE college predictor. This shall help you with colleges as per the parameters considered overall. Link: http://www.engineering.careers360.com/gate-college-predictor
Good Luck.

Hey manikandan,

With your marks most probably you can get the calls from these colleges:

Vel Tech High Tech Dr. Rangarajan Dr. Sakunthala Engineering College, Chennai

Velammal Engineering College, Chennai

Thiagarajar School of Management(Co-Ed), Madurai

Kumaraguru College of Technology, Chinnavedampatti Post, Coimbatore

St. Joseph’s College of Engineering, OMR, Chennai

all the best