Sheet 1P : Sheet J-38X Tabbaghaj GSGS 3919 Calcutta Edition 1941. Revised Calcutta 1940 Nov, 1941 July. Edition date July 1941. Compiled and published originally SGI 1916 and revised 1922 and 1925. Registered 1921. Reg.No.1728 D'21–1940. 5,000'41. Grids C & B.