Amritsar , Oct. 13 -- National Highways Authority of India (NHAI) chairman Nagendra Nath Sinha, who visited the site of the Kartarpur corridor project on Saturday, said 90% of work on 4.2-km four-lane highway at Dera Baba Nanak had been completed. The border town is being connected to Gurdwara Darbar Sahib, Kartarpur, in Pakistan, through the corridor, of which the highway is an important part....