The train with 10 passengers and two goods compartments, towed by a diesel engine, left Dekargaon at 7 AM and arrived here at 12.30 PM, covering a distance of 181 km.
It is a great day for Arunachal Pradesh, CD Sharma, who had bought the first ticket for Naharlagun at Dekargaon railway station for R 35 said.
Prime Minister Manmohan Singh had announced introducing train service in his package for the state on January 31, 2008.
Informing about the arrival of the train, chief minister Nabam Tuki during an election rally here announced that Rajdhani and Shatabdi Express would be introduced soon to link Arunachal to national capital Delhi. The ambitious 20-km railway line project had missed its target of December, 2011.