Build a Real Estate Portal

We are a real estate company in India. We are looking for a portal to be developed for our company. We are looking for something similar to 99acres, magic bricks where we can showcase our own properties as well as tie ups or partner companies. We are not so technical people, so we have listed out the features which we look forward on our portal. Features needed Agent (SELLER) Section Registration Modify profile Add/edit/view properties (product) Receive enquiries direct Property expiry dates/suspend properties (product) User Section Registration Search/view properties (product) Enquire online for properties (product) Contact agents Agents directory listings Receive property (product) alerts Admin Section Unlimited property (product) listings Unlimited categories of properties (product). Ex. Commercial, residential, dc converted, room share, paying guest, etc. Add/edit/view property Add/edit/view property category Contact us page displaying the address, mobile number, phone number and the email enquiry form. Featured properties (product) Set order of properties (product) New properties (product) Best properties (product) Bulk email to all agents/users Banner management system included Auto delete expired properties Build database of all agents/ users in excel format Note: We want Payment & SMS Gateway included So please quote your price along with the gateway setup cost. Also include the monthly maintenance cost as a separate module. let me know your rates. I have used the customize budget option. I am not sure how much to display. So please quote your own rates and do not depend on the slab i have chosen. Regards JT