am finished 12th std i am about to start choosing my career that which course will best in b.e/b.tech with best job opportunity

Hi Vignesh, it is really good to hear that you aspire to become an engineer. Well, all the branches of engineering are equally good and have tremendous job opportunities. Some demanding branches of engineering are : -Aeronautical Engineering -Automobile Engineering -Chemical Engineering -Civil

Mechanical engineering is the best course. If you are in Wester part of India, even chemical engineering may be teh choice.