Sinthiya Group occupies Tea Gardens named Langliya Chora Tea Estate Ltd. Total area under tea plantation of this Company is around 875.78 Hectares. The Company has achieved almost five million Kgs made tea in 2019. The yield of the gardens is 2,350 kgs/ha. Specially Langliya Chora Tea Estate Ltd, has achieved more than 3,000 kgs. yield/ha. which is almost double of the national average production. This Garden is one of the highest yielding gardens in the country..
Each of the tea gardens has factories equipped with modern tea manufacturing facilities. The tea produced is of high quality and sells at a premium at the Chittagong Tea Auction.