The Northeast Frontier Railway(NFR) has registered an increase of 33.5 per cent in freight loading since April this year in comparison to the corresponding period of the previous year. During the period from April to November this year, NFR loaded 6.498 metric tonnes of freight as compared to the 4.867 metric tonnes during the corresponding period last year, registering an increase of 33.5 per cent, according to a release issued by NFR on Tuesday.