The Supreme Court on Tuesday refused to put any roadblock before the world's cheapest car Nano's planned rollout by the year-end though it issued notices to its producer Tata Motors and the West Bengal government following a petition challenging land acquisition. A bench of Chief Justice K.G. Balakrishnan, Justice R.V. Raveendran and Justice M.K. Sharma said it will not order any status quo on the issue of land acquisition for the car's plant in Singur in West Bengal.