Dosti Landmark at Thane. Visit: www.dosti-thane.com or call 022-69969696 for complete project details. Dosti Group and Suraksha Realty has launched Dosti Codename Landmark, a 100 acres residential project at Balkum Road, Thane. The project offers skillfully crafted and spacious 2 BHK apartments. It will offers Residences of 2 BHK Optima and 2BHK Prima. Dosti Landmark offers all the modern amenities for comfortable living of its residents. The project is located at stratigic location at Balkum, which has gone from transformation from Industrial town to affordable residential housing.