Multiple choice general knowledge science & technology What does SCRA stands for?; Special Class Railway Authority Special Class Railway Apprentices Special Class Reserve Apprentices Special Class Railway Assistance Reveal answer Fill a bubble to check yourself B Correct answer Explanation SCRA (Special Class Railway Apprentices) is a UPSC-conducted examination for recruitment to the Indian Railways' mechanical engineering cadre. It's a highly competitive exam for mechanical engineers, not about railway authority or assistance.