plants, and basmati rice. During 2010, wheat production was 831 thousand tonnes and rice production was 610 thousand tonnes, while the main cash crop of the state, sugarcane, had a production of 5058 thousand tonnes. As 86% of the state consists of hills, the yield per hectare is not very high. 86% of all croplands are in the plains while the remaining is from the hills. The state also holds the GI tag for Tejpatta (Cinnamomum tamala) or Indian bay leaf, which is known to add flavour to dishes and also possesses several medicinal properties. Other key industries include tourism and hydropower, and there is prospective development in IT, ITES, biotechnology, pharmaceuticals and automobile industries. The service sector of Uttarakhand mainly includes tourism, information technology, higher education, and banking. During 2005–2006, the state successfully developed three Integrated Industrial Estates (IIEs) at Haridwar, Pantnagar, and Sitarganj; Pharma City at Selakui; Information Technology Park at Sahastradhara (Dehradun); and a growth centre at Sigaddi (Kotdwar). Also in 2006, 20 industrial sectors in public private partnership mode were developed in the state. Transport Uttarakhand has of roads, of which are national highways and are state highways. The State Road Transport Corporation (SRTC), which has been reorganised in Uttarakhand as the Uttarakhand Transport Corporation (UTC), is a major constituent of the transport system in the state. The corporation began to work on 31 October 2003 and provides services on interstate and nationalised routes. As of 2012, approximately 1000 buses are being plied by the UTC on 35 nationalised routes along with many other non-nationalised routes. There are also private transport operators operating approximately 3000 buses on non-nationalised routes along with a few interstate routes in Uttarakhand and the neighbouring state of U.P. For travelling locally, the state, like most of the country, has auto rickshaws and cycle rickshaws. In addition, remote towns and villages in the hills are connected to important road junctions and bus routes by a vast network of crowded share jeeps. The air transport network in the state is gradually improving. Jolly Grant Airport in Dehradun, is the busiest airport in the state with six daily flights to Delhi Airport. Pantnagar Airport, located in Pantnagar of the Kumaon region have 1 daily air service to Delhi and return too. There government is planning to develop Naini Saini Airport in Pithoragarh, Bharkot Airport in Chinyalisaur in Uttarkashi district and Gauchar Airport in Gauchar,