PG in cyber security

Im.bsc(iT) student final yr ,i have backend knowledge, Do you think post graduation diploma in cyber security from online University like jigsaw red team (hackeru) edureka(NIT) nd upgrad (iiiTB )would help me , im planning to take PhD from online platforms , do you think it would help me to get a good package in cyber forensics investigator for government jobs, and WHR to start what to do please help me, !??? From 3months I have been asking everyone but everyone have their different go on perspective I am not at all clear! Do you think security certifications like oscp and these all important!?...plz answer my questions. And please suggest me some online platform to earn post graduation diploma, I don't want to do MSC for 2 years, what is ur opinion ! Plz answer me

by santhosh