There is no such thing as "asp.net mvc project for study purpose" - that is just a generic name, like "app" covers all the software in Google Play and the Apple store.
You need to be a lot more specific about what you want the project to do before you start looking for source code, just as you need to specify what type of app you want to install on your phone: "game", "mail", "tool", or "screensaver" for example - and then narrow that down to "game, puzzle, match3, popular" to reduce the list to a tolerable level of entries.
So start here:
mvc project github - Google Search[
^] and begin narrowing down the 10,000,000 or so MVC projects on that list ...
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