Dear Sunny, COA will release the NATA admit cars for 1st attempt on April 1st. And the admit card for 2nd attempt will be released on June 24th. The admit cards for both the attempts will be released online. You can download the admit card by logging in to the official website with your application no# and Date of Birth. Once you download the admit card, ensure all the details are correct. Of any discrepancy, you will have to reach out to he helpdesk. 

Hello,

According to the officials the admit card of NATA will going to be released on 1st of april.

Here i am sharing the link you can go through this to know more  https://engineering.careers360.com/exams/nata

Hope this may help you.