Dear aspirant,

For getting a job opportunity in ISRO ,it is very rare of an opportunity. Only a few 10-15 electronics students are allowed to join ISRO every year.

Being an ECE branch student, you'll control the electronics section of ISRO tests. Every year they provide vacancy details and allow candidates from electronics field to apply for it.

For more details please visit this ISRO website and apply for the position

https://www.isro.gov.in/careers

Hope this helps!