To solidify your teaching career as a PGT (Post Graduate Teacher) in a CBSE-affiliated private school after completing your M.Sc in Computer Science, the most recommended path is to pursue a B.Ed degree from a recognized university.

Another option is Clearing the CTET exam which can enhance your credibility and open doors to teaching positions in various CBSE schools across India.

Also,you can do phd if you have dream of becoming assistant professor in university.