Hi Usha,

You have qualified TANCET, do not worry and be confident about your admission. However you may not be able to obtain a seat in top colleges that offer MCA but you can try your chances in the following colleges

GOVERNMENT ARTS COLLEGE, SALEM

GOVT. ARTS COLLEGE WOMEN, CHENNAI

ERODE SENGUNTHAR ENGINEERING COLLEGE

AVS ENGINEERING COLLEGE, NAGAPATTINAM

ANJALI AMMAL MAHALINGAM ENGINEERING COLLEGE,TRICHY

Hope this helps

All the best