For good marks in jee main paper 2 (b.arch) in which section will i focused more. and best book for amplitude test for b.arch.

Jee Mains Paper 2 is an entrance exam which helps you to get various colleges for pursuing architecture across India. For Paper 2 what you need to be more focused about is the understanding of topics. It consists of three sections namely Maths, Aptitude and drawing.

Maths: The Math questions are similar to paper1. The questions are a bit easier for paper 2 but the syllabus remains same.

Aptitude: You can use the Arihant's complete self study guide for B.Arch to prepare for paper 2. Learn the name and work of all the famous architect which will help you a lot while answering the last 10 questions of the aptitude test. Also learn the names of famous buildings and their locations. You will find everything in the above mentioned book. For questions related to front view and side view visualisation becomes very very important. You need to visualise every question in 3d to get to the answers. You can do it fast by practicing before hand using previous year question paper and practicing questions in general.

Drawing: For Drawing, refer to youtube for videos which will help you lot in practicing. One question is always of pattern making like make an attractive pattern using circles or lines or curved lines etc. so practice that well. Youtube and study guide are perfect for practice of these kinds of questions. Paper2 is comparitively easy and scoring, you will definitely score well if you work smart.

All the best!