Hello,



For persuing a degree in architecture you can appear in two exams in india.One is the exam conducted by NTA.The second paper in jee mains examination can help you to fetch a good colleges for persuing architecture.
The other exam is NATA, through this exam you can also persue architecture curse in various colleges in india.

NATA syllabus consist of two parts Part A comprises Mathematics (20 Questions) and General Aptitude (40 Questions) which is online MCQ based.Each question will be of 2 marks.
Part B will be offline based and include 2 questions each carrying 40 marks in which you tere will be drawing test.

Detailed syllabus of NATA : https://engineering.careers360.com/articles/nata-syllabus

JEE paper 2 is consists of Aptitude 50 questions , Mathematics 30 questions and Drawing - 2.

Full detailed syllabus : https://engineering.careers360.com/articles/jee-main-paper-2-syllabus


I hope this helps.

If you want to become architecture then for sure you need to have mathematics in class 12th because there are in competitive exams held to get into colleges which offer architecture course is bachelor of architecture banvaya is to appeared for JEE main paper 2 which consists of mathematics reasoning and driving test similarly if you want to study in IIT Roorkee or IIT Kharagpur for architecture course then minute to crack JEE advanced and after that architecture aptitude test so for that you need to be good in physics chemistry and mathematics so the most important subject comes out to be mathematics and therefore you should take mathematics as a subject in class 12th.