Dear Deepak
Every branch is having its own scope and also if I'm able to tell about the scope of all branches. This space will be insufficient. And my suggestion is just type in Google that scope in respective branch. Otherwise, my friends, Manyak & Rohan had given their best to satisfy you, go through that.
All the best.

Please pay attention to the following

• Engineering has a vast career
• It offers many branches
• Mainly divided into core and non core
• Core branches are cs , me, civil engineering etc.
• And non core are chemical, MATHEMATICS,physics , industrial engineering etc
• Placement of core branches are high in India
• But for non core placement are not that good but it offers great future in abroad.

Best of luck for your secure and bright future.
All the best
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Each and every branch of engineering has  good scope....but nowadays CSE/IT/ECE is more preffered because of high job opportunities in IT sector....but at the same time mechanical,civil,electrical are evergreen branches which has job opportunities both in public as well as private sector.....