Ans. (Contributed by Prerna Kejriwal)

Request for Information is used to get insight into particular point to make decision and Request for Proposal is used to ask for the alternatives or Change in the system.

Request for Proposal : Request for proposal typically motivated by one of three general objectives :

Solve a problem : An activity, process, or function that does not now or may not in the future meet performance standards or expectations unless remedial actions are taken
Example : Reduce excessive data entry errors by eliminating the manual entry of sales details.

Capitalize on an opportunity : A change to expand or improve business performance and competitive achievements.
Example : Capture a large base of customers by offering a new airline frequent flier program focusing on discounted airfares.

Respond to a directive : An order, request, or mandate originating from a legislative or management authority to provide information, perform in a certain manner, or alter either information or performance.
Example : Report annually to the U.S. Internal Revenue Service, using Prescribed formats, interest earned on savings, checking and time deposit accounts.

Request for information could be originated from any or combination of the following criteria :