Hello Aspirant,
After completing your BSc Course in PCM, there are many career opportunities open for you, such as research analyst, a teacher, lab assistant etc.
If we talk abiut Career Option After BSc PCM in research are:-
1. You can get Jobs in Government Owned Scientific Research and Development Organizations such as

• Defense Research and Development Organization (DRDO)
• Physical Research Laboratory, Ahmedabad
• Saha Institute of Nuclear Physics, Kolkata
• Indian Space Research Organization (ISRO)
• Nuclear science centre New Delhi.
• Bhabha Atomic Research Centre (BARC)
• Oil and Natural Gas Corporation (ONGC)
• Bharat Heavy Electricals Limited (BHEL)
• National Thermal Power Corporation (NTPC)
• .

2. You can go for master degree and phd, where you can do research work.