I have few question related to fund raising
Investment due diligence is pretty standard across VCs. There will be a checklist that they will provide that incorporates all the materials you will need to give them. In broad terms, the types of things they ask for are:
When you have a term sheet signed and are formally in due diligence is when you reveal this information. Most VC's will ask the standard questions and checklist items. I don't think I have ever heard of an unreasonable request since if they are putting money in, then get access to everything anyway. Your legal counsel will be able to guide you in what may or may not be reasonable if it comes to that.