TATA MOTORS is now offering the nano with a 4years/60,000km warranty that was previously available as a paid option. Also, all new nano customers will have an option to avail a 'COMPENSIVE MAINTENANCE CONTRACT' fore Rs.99 per month. only 509 units of the nano were sold in NOV 2010. An upgraded nano with power steering, 5-speed gear box and adjustable seats will be available in the first quarter of 2011. TATA MOTORS has announced that nano sales have opened in Gujarath, Andhra Pradesh, Jharkand, Bihar, Madhya Pradesh and Chattisgarh.