RD-690 --- Built by Nasmyth Wilson & Co, Patricroft, Manchester, UK in the year 1929. This loco with 2-8-2 wheel arrangement was extensively used in Raipur-Dhamtari narrow-gauge section of Bengal Nagpur Railway (BNR). Currently plinthed outside BNR headquarter at Garden Reach, Kolkata. Photographed by Somsubhra Das. D.O.P. - 30th November 2019.