Key Responsibilities 1. Sales Order Verification & Billing Accuracy Verify all client invoices against approved Sales Orders, media plans, project agreements, and retainer contracts. Ensure billable expenses such as advertising spend, influencer fees, production costs, and other client-related expenses are accurately validated before invoicing. Generate accurate invoices while maintaining strict adherence to client agreements. Eliminate billing discrepancies and minimize invoice revisions through systematic verification. 2. GST-Compliant Invoice Management Prepare and issue GST-compliant tax invoices within agreed billing timelines. Manage monthly retainer billing, milestone-based invoicing, and campaign completion billing. Verify HSN/SAC codes, GST applicability, Place of Supply, and IGST/CGST/SGST classifications. Configure and manage recurring invoices in Zoho Books for long-term client contracts. 3. Accounts Receivable & Collection Management Monitor customer outstanding b...