Hey Agnes,

Here I would like to discuss the procedure of NATA (National Aptitude Test in Architecture). So, after the conduction of the exam as well as the declaration of the result the counselling session starts. 

This year the counselling procedure is to be conducted separately by the participating institutions, for this first of all the candidates must register themselves online for the NATA 2019. Also all the candidates should fill their choices and lock them. 

After that seat allotment and verification of documents is done.

So, coming back to your question - you have to fill your choices of the participating institutes and lock them for the further counselling process.

All the best!