It will be mostly same like KVPY!
The answers for the weekly mock tests will be provided in the form of quizzes on DQ Edge.
There are many private design colleges in India which you may consider such as UID Ahmedabad, IIAD, Lisaa School of Design, Strate School of Design and others.
The NATA pattern is the same and from this year onwards it is being conducted twice. For more information on pattern for NATA please click on the link.