Custom Background Photo Editing

I have a photo that needs its current backdrop completely replaced. I’m looking to swap it for a custom-designed background, not just a solid color or a stock scenic shot. I already have a rough concept... (Budget: ₹12500 - ₹37500 INR, Jobs: Adobe Photoshop, Background Removal, Digital Art, Graphic Design, Image Processing, Photo Editing, Photoshop, Photoshop Design)