PCMB = General science, PCM = ?
hello there!
PCM stands for Physics, Chemistry and Mathematics. It is a Non-Medical Science stream in Higher Secondary course which consists of Physics, Chemistry and Mathematics subjects. Admissions in Higher Secondary course are offered mostly on basis of 10th standard board examinations whereas some top schools conducts an entrance examination or admission test to offer admission in 11th standard to merit candidates of the entrance examination. Candidates who are interested to build their career in Engineering field can opt for Higher Secondary PCM course. After completion of your 11th and 12th standard with PCM stream from a Government recognised board, you can pursue your higher studies in Engineering or Technology related courses.
i hope this helps
goodluck!