Bow Barracks is located in the central Kolkata area — just behind the Bowbazar police station, off the Central Avenue. Bow Barracks was a Garrison's mess during 1st World War.
the Christmas tree
The easiest way to get to Bow Barracks irrespective of the distance is to catch an underground train on Kolkata Metro. Central Avenue and Chandni Chowk are two metro stations that would get you within a 2 minutes walking distance radius from Bow Barracks.