number of tunnels. Of this, 3.5 km will be in Sikkim state and the rest in West Bengal state. The track will have 28 bridges and 14 tunnels and 38.6 km of the track will be in tunnels. The track will be constructed through the foothills of the Kanchanjungha mountain range and the Teesta river valley. New railway stations will be constructed at Riayang, Geil Khola, Teesta Bazaar, Melli and Rangpo. The Indian Railways signed a contract with the construction company, IRCON, only in May 2010 though the foundation stone had been laid in October 2009. The final alignment had not been fixed for the first 22 km through elephant sanctuary forest even in 2013 and the final clearance of environment ministry had not been received. To obtain approval of the environment and forest ministry, the railways made a proposal in February 2013 to install elephant sensors along the stretch of the proposed railway line in Mahananda elephant sanctuary or run the trains at a speed of only 20 km per hour in the forest area and stop when an elephant is sighted close to the track. People of two villages in East Sikkim, through which a 3.5 km stretch of the 45 km long railway line has been planned, had not agreed to give their land for laying the track. The Supreme Court of India approved the project in February 2016 with strict guidelines of the National Wildlife Board that cleared the project in June 2015 but ordered restricted speed, wireless animal tracking sensors and allowed digging of tunnels only during daytime. However, a "No Objection Certificate" (NOC) was still needed from the gram sabhas (village councils) of all the villages in Darjeeling and Kalimpong districts in West Bengal through which the track will pass. The construction cannot start without the NOC. However, the Gram Sabhas do not exist due to non-holding of rural elections in the Hills for the past several years and therefore no NOC could be obtained. This is a catch 22 situation holding up the commencement of construction. The project cost has escalated from the estimated cost of Rs.13.4 billion in 2008 to Rs.60 billion and construction of the railway line has not started even in 2018. Railway Board chairman visited and met the Northeast Frontier Railway (NFR) officials on 2 March 2018 to discuss the status of the project. Finally a NOC was issued