Below I am providing few points for all the fields you have asked for, please go through all of them and then decide -

Water Resources is one of a very interesting field out of all civil engineering fields. There are lot of scope for water resources in both government

As you are in 2nd year so I would say better to focus on your B.Tech syllabus first because when you go for Gate, this syllabus would be helping you. So this is the time when you should clear all your basic concepts. And ideally, students start their preparation in

Hi, Talking about MMA course, the average package is a around 3 Lacs and the highest goes till 8 Lacs.  Good Luck.

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Refer  : https://academyera.com/gate-cse-questions