I don't think you'll find much help with that around here. There are many professional illustrators around that could do a great job for you. But I think you just lost all respect with the words cheap, online and from India. Good luck with that.
LOL...Yeah, uh...can someone tell me where to find someone that will do a crappy job for really cheap?
John, did it really not occour to you how ludicris your question is? What kind of reaction do you think you would get if you walked into a 5 star restaurant and asked them if they knew where you could find a really cheap restaurant? It's no different here.
Alright, did it ever occur to you guys that here is a potential client who doesn't know what he's looking for? Maybe he doesn't know that some (but not all) designers can illustrate. He may not be talking simple vectorizing either.
Until you have full details, it's not wise to go off on a tear.