E-Bill Market Size, Share & Industry Analysis, By Platform (Integrated Software, Mobile, Web, POS, Kiosk, etc.), By Product (E-Bill Presentment, E-Bill Payment, and E-Bill Posting), By Bill Type (Legal Bills, Core Bills (VAT/E-Way Bills, etc.), and Commercial Bills), By Industry Vertical (Manufacturing & Mining, Automotive & Mobility, Retail & Consumer goods, Healthcare & Life Science, BFSI, Aerospace & Defense, IT & Telecom, and Others (Media & Entertainment, etc.)) and Regional Forecast, 2025 – 2032