The main objective of the Graduate Aptitude test in engineering is to provide admission in the post graduate engineering courses, but with the valid GATE score you can get a good job in the Public Sector Undertakings. So the GATE will be mandatory for the both job in a good company and admission in the M. tech courses.

With the valid GATE score you can apply in following companies for admissions:

BHEL,
NTPC,
Indian Oil Corporation,
HPCL,
BPCL and Power Grid.

And you can take admission in following M.Tech courses:

M.Tech in:
Digital Electronics & Communication
Systems & Signal Processing
Computers & Communications
VLSI System Design
Digital Electronics & Communication Systems
Digital Systems Electronics
Microwave & Radar Engineering
Communications Engineering
Embedded Systems and VLSI Design
Electronics Instumentation and Comm.Systems
Communications and Signal Processing
Communication & Radar Systems
Microwave Engineering

And many more……………..