hello aspirant,

YES, you can appear and give JEE mains examination after class 12th, if you have applied mathematics in class 11th. If you also have Physics, chemistry along with the applied mathematics and the other subjects as well, then you can definitely give JEE mains examination. You also have to study Physics, and Chemistry for JEE mains as  the JEE mains exam consists of 3 Subjects only - Physics, chemistry and Mathematics. So, along with maths, you must also focus on Physics and chemistry.

JEE mains Apex Board has opened a door for students who had Mathematics as a subject in their higher secondary class, even if they did not study physics and chemistry. Now, students with mathematics in class 12th can apply for JEE Main.

Further, to know more about the JEE mains Examination, you can follow the below mentioned link to know more about it : https://engineering.careers360.com/exams/jee-main