hii kumar

as per now the appliaction arent open yet it would be opened in the last weak of the january or 1st weak of feb while i suggest you to stay tuned to the NATA offical site, on the other hand NATA is conducted twice a year once in april and other one is in july .

for an approximate dates kindly check our site as well as complete informtaion of NATA in the below link

https://engineering.careers360.com/articles/nata

all the best