what are the best field to go in after class 12 for as I am a Physics, chemistry and maths student ?

you are a non medical student then you have to go for Btech , today ECE or CSE is good field , if you want site work and intrets in construction field then Civil is good , if you want to become a mashine designer lke car designer then Mechanical field is better , as per your intrest

Hi, Since you are a PCM student, I must say that you have ample options in your kitty to select, provided you possess keen interest and passion for the subject. There are unlimited options for you like B.SC/B.TECH with any specialization, you may also opt for BCA in case you have a flair of Com

The fields open for you are; 1. Engineering (any branch of your choice), 2.Graduation/Post graduation & further studies in pure sceince subject to get into research or education line, 3. Fashion technology, if you are interested in that.

A B Tech Degree would be a better option for PCM. The brancehes which are in demand these days are Mechanical Engineering, Electronics and Communication, Applied Electronics and Instrumentation, Computer Science and Engineering and so on.