Dear Asutosh ,

I hope you are doing well !

There  are lots of government's jobs are provides in different industry like

• Defence Research & Development Organisation (DRDO)
• Central Bureau of Investigation (CBI)
• Intelligence Bureau (IB)
• Indian Space Research Organization (ISRO)
• Hindustan Aeronautics Limited

For taking entry for this sectors' jobs you must clear their exam and exam having likes there are more then 2 or 3 rounds and you should have to clear and im really sorry to say that you had not mentioned what you wants to know .

I hope it will helpful

Thanks