What is the fine-grained topic of the following text: But with the factories shutting down and the industries ceasing operations, developers like Lodha Group, T Bhimjyani Realty and Piramal Realty took over the land, began new construction in Thane and converted it into expansive residential and commercial complexes. Only return the topic.
Re-development of industrial land into residential and commercial complexes in Thane by real estate developers