If you want to be a Computer Engineer, you should choose Science stream after your class X. You should study Physics, Chemistry and Mathematics in your class XII. You should score very high marks in the class XII final examination (SYJC) to be able to become a Computer Engineer. Exact percentage requirement varies every year but you should obtain between 90 - 95% in aggregate of Physics, Chemistry, Maths and English.

To be an IAS officer, you can choose any stream after your class X. To be IAS officer, you need to be a graduate in any subject. So you can choose Arts, Science or Commerce, whichever you like. Also, there is no percentage of marks requirement in the IAS examination. You just have to pass the graduation examination.

The Wireman ITI course generally cover industrial sector.