Which engineering branch is successful and have more scope?

Success depends on you and and your determination to get it , all the engineering branches have scope, some less some more but go for the one for which you are most passionate about

all branches are good, you must choose the branch which is comfortable for you otherwise selecting branch by judging scope can put you in trouble in future. you have to be sincere yourself and choose engineering branch according to your choice. now a days CSE is more demanding and it has more scope.