NATA is National Aptitude Test In Architecture which is one of the most appeared exams by the students. You can solve the mock tests and sample papers. They help to assess our improvement. Also you can check some youtube channels for help.

JEE MAINS is again one of the most appeared exams. You can go through the study materials of recognized coachings, solve more mock tests and samples.

take the help of internet as much as you can.

Hope it helps.