Polish My eBook PDF Design

I have a finished manuscript already laid out in PDF, but it still looks like a quick draft rather than the refined, bookshelf-ready eBook I’m after. I need your help to give it that final, classic touch... (Budget: ₹600 - ₹1500 INR, Jobs: Adobe InDesign, Book Design, eBook Design, Graphic Design, Illustrator, Photoshop, Print Design, Typography)