In the history of the world this would be the largest scam that will go unnoticed. A exam of this level surely have a impact by the controllers and every zone has its own responsibility. They will be definitely cases like ruby. This exam should be monitored and audited by a separate body(maybe a bench of supreme court judges) of high class and responsible officer. And all the timeline should be decided before. The negotiations for corruption and fudging of exam results delays process.