By having an audit of discoms Delhi govt has saved 8000 crore that Delhites would have otherwise been forced to pay through increased tariff. Now it is clear why congress & bjp didnt want an audit?
For complete report pl see following link:
http://timesofindia.indiatimes.com/city/delhi/Discoms-inflated-dues-by-Rs-8000-crore-CAG/articleshow/48520042.cms? more