Hi Aspirant,
For doing M.Tech abroad,you must score well in GATE or GRE.
The following link contains the syllabus of GATE for electronics-

https://engineering.careers360.com/articles/gate-syllabus-for-electronics-communication-engineering/amp

The following link contains syllabus of GRE-

https://studyabroad.careers360.com/articles/gre-test-syllabus/amp

Hope this helps.

hii Rukhsar

its not sylubus that matters dear!!   You have apply as its the exam for the apply who wanna take admission from other countries

for your MS you have to write GRE and take admission and there is lot more procedure in it kindly approch the below for best solutions

So its a GRE and few other international entrance exams for abroad studies include the  MCAT, LSAT,IELTS and the TOEFL. it depends on this majorly while i suggest you take councelling from the abroad consultancy they will give each and every information i would like to suggest few people for exam couching and councelling are JAMBOREE, PRINCETON kindly check with them

regards