what is the scope of of mining branch
From job and Salary point of view it is good as you can get job in these firlds, Coal India Limited , Tata Steel , Rio Tinto (Australia/India), Electrosteel, Vizag Steel, Monet Ispat, Vedanta, HZL, HCL, etc. But problem i sthat you will be posted mainly in Remote Areas where you can't get a proper Environment and good work- life balance.
You can go for Higher studies like Mba or Mtech.