We need a custom business management software with the following key modules: Billing & POS: Invoices (GST, discounts), sales orders, returns, receipts, quotations, proforma invoices, multi-payment modes, barcode-enabled POS. Inventory: Stock entry, purchase bills, stock transfers across branches, manufacturing/assembly, stock conversion (bulk-to-retail), low-stock alerts. Accounting: P&L, Balance Sheet, sales/purchase/expense reports, Tally integration. CRM: Enquiries, lead tracking, customer database with history and outstanding invoices. Tasks & Calendar: Assign tasks, reminders, visual calendar for follow-ups/meetings. Barcoding: Generate/print barcodes, integrate barcode scanning at POS. WhatsApp Integration: Automated reminders, invoice/order updates, API-based messaging. Staff Commission: Auto-calculate seller/executor commissions (1.5% & 0.5%), with detailed reports. This will be an all-in-one ERP-style system for sales, billing, inventory, accounting, CRM, communication, and staff commission tracking. thank you