Minimalist Store Board Design Update

I need updates to an 8x6 store board design for my retail store. I already have an existing JPEG design, but I want to make changes to it. Specifically, I need elements added or removed to better match a minimalist aesthetic... (Budget: ₹600 - ₹1500 INR, Jobs: Adobe Illustrator, Adobe Photoshop, Graphic Design, Logo Design, Photoshop, Print Design, Visual Design)