Clean Realistic Portrait Retouching

I have a set of portrait shots that need to look flawless yet completely natural. The work involves removing or replacing the background, blending the edges so nothing looks cut-out, and recreating believable lighting and shadows that sit naturally on the subject... (Budget: ₹1000 - ₹1500 INR, Jobs: Adobe Lightroom, AI Image Editing, Background Removal, Canva, Fashion Design, Graphic Design, Image Processing, Photo Editing, Photoshop, Pinterest)