Which has a better pay package MBA in HR or MBA in Environment OR MBA in Safety MAnagement

I am a PGDHRM student from SIBM pune.SInce HR salary packages hv gone down so badly with fresher mba hr gtng 8-10k i am thinking of doin a MBA in Environment MAnagement or MBAin Safety Management as i heard there are chances of growing in these careers and better pay.Plz help im v confused.