Man...tech was tough guys..i prepared a lot..but stil found it way too difficult..it was diff from GATE/IES level...i wrote ONGC 3 weeks back..it was a bit easier than HAL..."ENGINEERING MECHANICS/MATHEMATICS dominated........without calci..diff to judge answers..these PSU exams are a greater challenge than GATE guys...unpredicatable...where was MACHINE DESIGN/VIBRATIONS/FLUID MECHANICS/THERMO/MANUFACTURING TECHNOLOGY..well they werent in the paper much...