The series includes letters from the following Government of India departments: Home Revenue, L/E/3/67-80; Foreign-Revenue, L/E/3/72-79; Public Works-Revenue (Forests), L/E/3/72-75; Public Works-Famine, L/E/3/87-88; Revenue, Agriculture and Commerce, L/E/3/80-88.
Collection 30/41 (International Customs Tariff Bureau and International Convention for the Publication of Customs Tariff: participation of Ceylon 1948) transferred to Commonwealth Relations Office General Department file L.2059/1