TSRMS Official Applications
Due Book · Digital Khata App
Digital Khata & Due Management App for Indian Shop Owners. Maintain customer and supplier ledgers digitally, set payment reminders, calculate cash with note denominations, and backup your data securely.

Due Book
Free DownloadPackage: com.tsr.duebook
Official Web Appduebook.tsrms.in
Manage customer and supplier dues, record transactions, set payment reminders, calculate cash with note denominations, and stay organized.
Digital Khata for both customer receivables & supplier payables
Overdue payment reminders with 1-tap WhatsApp and direct call
Cash calculator with note denominations & daily cash history snapshots
Instant business reports with downloadable PDF customer statements
Offline-first — works seamlessly without internet connection
Encrypted backup — AES-256-GCM local backup & Google Drive sync
Offline-First (Works without internet)AES-256-GCM EncryptedGoogle Drive Backup