It was an ASP.NET website application which used AJAX heavily and database used was Micorosoft SQL.This project was for a big bank which wanted to send various proposals to its clients time to time. CBS allowed them to create any proposal and modify it as per the clients need by adding or removing elements. CBS also provided a view of the proposal being created and once it was finalized, PDF version of that was generated. CBS allowed them to keep track of every proposal they create, sent, etc. It also allowed them to keep various versions of same proposal campaign, etc.