Mostly compromising of land records, leases, property, tax and financial records directly from Consolidated Tea Lands Co tea estates.
- Records from the Balisera Valley tea estate 1860s-1940s;
- Records from the Baitakhal tea estate c1900s;
- Records from the Bloomfield tea estate 1880s-1910s;
- Records from the Dooars tea estate 1870s-1930s;
- Records from the Hattigor tea estate 1870s-1900s;
- Records from the Jagchera tea estate 1927;
- Records from the Kumlai tea estate 1870s-1890s;
- Records from the Lamambari tea estate 1870s-1890s;
- Records from the Lulleecherra tea estate 1850s-1950s;
- Records from the Powai tea estate 1932-1960;
- Records from the Rajghat tea estate c1930s;
- Records from the Sagmootea tea estate 1880s-1930s;
- Records from the Soongachi tea estate c1900s.