Warren Tea Limited is engaged in plantation of tea. The Company sells black tea in bulk. It sells teas both in the domestic and overseas markets. The Company has over seven gardens in Upper Assam in the districts of Dibrugarh and Tinsukia, covering approximately 4,000 hectares of tea country. The Company is a producer and exporter of crush, tear, curl (CTC) and orthodox teas. It offers packaged teas in packets, caddies and tea bags. Hatimara is its clonal tea estate.