I doubt that you are willing to be helped, but I will try anyway.

1. The benefit that you will get out of school is proportional to the effort you put in.

2. Anything worth doing is worth doing right.

I recommend that you start out by formulating a concise and proper question. Still all you will get here are suggestions, nobody is going to do your work for you.

You should probably develop the habit of thinking for yourself, instead of asking others to think for you.

Master this first. How to Search the Web and Find What you Want

Project Ideas: Automobile engineering project ideas

Make something that looks like this, sorta....

That has one of these...

and then keep cutting corners till you have something like this...

Here's something you could build for under 15k, a smartbusa...way cool

http://www.youtube.com/watch?v=J2HUBiQRJo4

i need a project work working model below 15000

I am assuming this is currency, but what currency (there is a big difference between USD and Sri Lankan Rupee for example).

What exactly is the project supposed to be and achieve?

What country are you in (what is the currency you mention)?

Are you offering us a portion of this 15000 to come up with ideas for you?