I am mechanical 1st year engineer what should I have to do to work in isro

First of all you should completed your graduation then only you can apply for ISRO written exam... and For your knowledge i would like to tell you that the Mechanical engineers play very important role in every mission by any space agency.Design of launch vehicle: The design of launch vehicles are mainly done by mechanical/aerospace engineers. The aerodynamics, stability, control system etc design are done by them..So at last i wanted you to complete your graduation first with full of concentration...