After completing B-tech in CSE from any university or local college can i get admission in top reputed IIT's to get good placement

Hello,

Yes. Of course you can get enrolled in any IIT that offer course of your interest by clearing GATE. GATE is Graduate Aptitude Test in Engineering. This is an entrance examination held for verifying your skills and knowledge in the field for which you want to study or work in future. You can apply for GATE 2020. Please note that the score of GATE is valid for three years. There are many streams in GATE, you can choose the appropriate stream.

You have to register on GATE Common Offer Acceptance Portal (GATE COAP) for admission. Every IIT will release cut-off which depends on ctegory also, and admission depends on this. You can visit https://engineering.careers360.com/articles/iit-mtech-admissions  for more information.