Limited, Vatika Groups, Ansal Housing, DLF Limited, Godrej Properties, Paras Buildtech, Emaar-MGF, Tata Housing, etc . ( Source: http://gurgaonprojects.co.in/GurgaonDevelopers.aspx ) which are operating in the relevant market and providing commercial space. In addition, the Commission has also taken note of the fact that there are various projects in commercial space which are being developed in the relevant market of Gurgaon. The data obtained from CMIE (Centre for Monitoring Indian Economy Pvt. Ltd.), an independent economic think-tank, has also been perused to find the size of the company (rankwise) in the commercial complex Industry based on the net worth and investments made by the companies in this sector. It is observed that OP does not feature in the list of top 20 companies on any counts/ parameters. Further, the commercial space being developed by other players can be considered as substitutable and hence, provides multiple options for the buyers in the relevant market. Also, none of the factors enumerated under section 19(4) of the Act seems to support dominance of OP in the relevant market.