If you are an engineering and you get a job in these companies then your life will be very good.
1. ISRO ( INDIAN SPACE RESEARCH ORGANISATION )
2. DRDO ( DEFENCE RESEARCH AND DEVELOPMENT ORGANISATION )
3. HAL (HINDUSTAN AERONAUTICS LIMITED)
4. BARC ( BHABHA ATOMIC RESEARCH CENTER )
5. SSC JUNIOR ENGINEER ( SSC JE )
. RAILWAY JUNIOR ENGINEER ( RRB JE )
7. INDIAN OIL CORPORATION LIMITED (IOCL)
8. NATIONAL THERMAL POWER CORPORATION ( NTPC )
9. METRO RAIL CORPORATION OF INDIA (DMRC, LMRC, KMRC, BMRC etc.)
BHARAT HEAVY ELECTRONIC LIMITED (BHEL)
That was all about the different organizations where a mechanical engineer can prefer to accelerate his/ her career.