Hello,

The entrance examination for candidates appearing for JEE Main for both B. Architecture and B. Planning will be conducted on the same day and for such candidates the duration of the exam is 3 hours 30 minutes. Aptitude and Mathematics sections will be same for B.Arch and B.Plan for B.Arch there will be drawing test and for B.Planning it is Planning test. If you do not wish to attempt  planning test for B.Planning you can skip it and only attempt Aptitude, Mathematics and Drawing test for B.Arch but you cannot leave the examination hall after 3 hours, you will have to sit for 3 hours 30 minutes.