CWC, central water commission is the best then Naval then MES then CPWD and then Farrakka..
In MES you are appointed as Military Engineer and you have acess to Military Canteen.
The Qualification is Degree.
In CPWD the work is again good.
But Promotion will be delayed, here qualification is Diploma
but Engineers can also apply here.
Farrakka is the best if your hometown is near Farrakka.
There is Farrakka township and it is non transferable unlike the others
South Indians better dont apply