Dear student,
Yes. Maths is necessary in Class 12 along with Physics & Chemistry. You will need to appear for JEE Mains (Paper II) which is conducted for admission to Architecture colleges in India.
Other architecture entrance exams in India include:
When the AP PGECET councelling for m pharmacy students
Mujhe admission mil sakta hai chemical engineering mai and fees kitni hai
Admition starting and closing date