What is better acc to placement prospects in future- Chemical Engg or Comp Science Engg or Information Tech engg?

All Engineering Branches have their own Importance . CS and IT branches have high Demand due to high Boom of IT , BPO and KPO Sector. Buth one negative point is that In IT Sector there is like Cut throat Competition . as IT Sector is now becoming Over Crowded. Where as Chemical Engineering there is

Computer science and information tech.....in srt cs n it are near about same.. doesn't make any diff after u pass out.. it is also important from where u wanna pursue engg. in karnataka, cs n it is not supposed to b gud. chemical engg is also an gud option...but better go to first 2