which is the best choice of the following to shine in my career?

hello every body,
i m naveen doing 2nd yr engg. in electricals. if i prefer to go 4 higher studies in any of these ME, MTech, MBA or MS. which will the best to choose in reference to my UG , of the above, to shine in my life, to get a bright future,according to the current situ'...... waiting 4 ur comments!!!!!!!