is the preparation for gate ,ntpc,bhel and other competetive exams of enggineering different from each other????

Hi Pankaj, As far as the BHEL (Bharat Heavy Electricals Ltd), NTPC (National Thermal Power Corporation), and IOC (Indian Oil Corporation), are concerned, till date they had their own exams but with the toughness, quality and standards of GATE on a growing curve with years to come, and with the ne

no,actually all these exams belong to a same domain with gate as the father,in gate,mathematics is also asked

Not much. I can say that if you prepare for GATE, you can clear technical rounds of NTPC and BHEL. The only difference is that NTPC and BHEL also asks for aptitude and general awareness.