Hi

Yes you have got very good score, you have many options

1.PSUs 

Based on previous year cutoff you have high chances of getting into following PSUs

A. BHEL

B. NTPC

C. HPCL

D. MDL

E. NLC

F. POWERGRID

G. WBSEDCL

2. Higher studies

Ok now lets admit it you will not get into IITs or NITs. But you definetly can get into state run colleges or priviate university

3. JRF ( Junior Research fellow )

Many IITs and IISc hire GATE qualified graduates as Project assistant and they will pay you 30 K per month.