Build a Website

Need a website similar to [login to view URL] Features Required are similar to the above site with options of Audio Upload Teachers Registration Learners Registration Teacher option to available fix slot on daily basis or for date range, This should be visible to learners Learners Comments and Feedback if they have registered and completed the course Learners have an option to request 15 min live session for Free(Optional) Learners can pick and book their slots Payment Gateway Anyone providing feedback will be given reward points Platform Features Live calendar with days dates timing Search feature Add my fav provider Pre Booking regular longterm sessions Rating and review feature by learner interface to allow audio live session Sharing files or live white board while teaching session in progress payment module built in money/points features Money will be equated to points. Transaction will be thro points only Link parent id and student id individual login for users (provider and learners) Development needs to cater to responsive web - scale to laptop, tablet, mobile screen sizes. Please give your similar reference sites. Dont give a quote and then increase the quote later, so please go thru completely