The Central Vigilance Commission has found serious procedural lapses and vast differences between the estimated and tendered costs in the development of almost all the Commonwealth Games venues in Delhi. It has sought clarification from the authorities concerned on this as the difference in cost ranged from 30 to nearly 100 per cent. According to an internal investigation report made after inspecting the Games stadia, the Commission has noted wrong justification of rates while procuring items, poor quality of construction, grant of work to ineligible firms, rigged tender process, payment of crores of rupees for non-existent items and use of inferior products. The report, received in response to an RTI application said, the Commission has found alleged financial irregularities in about 16 Games projects costing over two thousand four hundred seventy seven crore rupees.