Round 1 : CBT (Technical +aptitude)
Round 2: Interview(Technical +HR)
You should keep your CG above 8.5 to be on the safe zone.
For CBT if you are preparing for GATE then it would be a cake-walk.
For interview questions refer below.
Questions d'entretien [1]
Question 1
1. What kind of motors are used for traction and why?
2. what are the components of a Transmission+distribution system?
3. What kind of Xmers are used in transmission side?
4. And why?
5. What do you mean by Circuit Breaker?
6. What material is the fuse wire is made of?