Enhance Zoho Books Invoice Templates

I need the Invoicing module in my Zoho Books account fine-tuned so every invoice can carry extra information that isn’t available through the stock layouts. The single change that matters right now is... (Budget: ₹600 - ₹1500 INR, Jobs: Branding, FileMaker, HTML, PHP, Sharepoint, Zoho, Zoho Creator, Zoho CRM)