I talked with them and what they sent me is a model contract notes of MCX. It is not of NSE. but I do not know how to upload them. Another broker is Action financial and it is at there website https://www.actionfin.com/Product-Services.aspx. Here it is compulsory to have demat with them. In the meantime I talked with Globe capital; the firm that is offering demat service tothe clients of VPS share company and Alice Blue. It is there website http://www.globecapital.com/. Their Kolkata office told me that they will offere same brokerage as I was getting from VPS shares. They are offering both trading platform : Odin and NOW