Spanning an impressive 266 hectares, the Deha Tea Estate is located in the Jorhat district in central Assam. The estate management is quite committed to producing excellent teas while maintaining their eco ethics. 45 hectares of this estate is reserved for producing teas through strictly organic methods. The entire estate uses cattle waste for fertilization so the soil quality doesn't degrade. They claim to follow various agricultural practices suggested in vedic books. The Deha plantation is NOP, HCAAP, NPOP, USDA certified.