Generate customer quotations, invoices and payment receipts. Verify billing details, pricing, taxes and discounts. Coordinate with sales and accounts teams for invoice approvals. Track outstanding payments and follow up with the customers. Process advance payments and balance settlements. Reconcile billing records with the customer accounts. Handle customer billing queries and resolve discrepancies. Prepare daily and monthly billing reports. Ensure complaince with GST and company billing policies. Maintain digital and physical invoice documentation.