Virtual Classroom with LMS

I need an online teaching website. This should be similar concept to [login to view URL] and [login to view URL] Virtual learning environment that includes email, assessment, payment collection, course material content management compatible with MS Office formatted files, learning modules, etc. Each user must have a unique, secure log-in and site should be capable of tracking course progress and grades per user. may use moodle/modules Complete CMS Page Management like - Home / About Us/News/ Contact us (Add/Edit/Delete Pages) Course Management Student i.e. Management - Enrollment (Direct Enrollment & Franchisee Enrollment) - Fees Management Exam Management (Multiple Question patterns like - Any one/Any Two/ Match the Pair/ODD man out etc) Online Exams Demo Exams Practice Exams Final Exam - Auto Result, Certificate Generation Staff Management - for Support and Ticket Query Reply - - Customizable authentication/Restrictions Study Material ... - Downloadable - Course wise - Customizable by admin Newsletter - Management Support - Chat, Forum/Ticket, Telephonic Affiliate program-You have to integrate an affiliate program into it. Also want Social Networking modules to be integrated with pluggins for Facebook, Twitter, Linkedin. If you have a existing platform for sale I'm willing to look at it, But copyrights and other infringements should not be an violated. Need an NDA signed by the service provider before start of the project. Also want the same service provider to support and maintenance in future. This is a non profit venture so will only consider low cost bids. Please provide evidence of your experience creating an e-learning site, past experience and how else you could add value to my project should be provided. Need references. Please don't BID without them!! Thank you for bidding