The hymns are written in Angami , a Tibeto-Burman language.
| Tool | Purpose | Platform | |------|---------|----------| | Adobe Acrobat Pro | Remove restrictions on your own files | Win/Mac | | QPDF | Open-source command-line PDF patching | Cross-platform | | PDFtk | Repair corrupted PDFs | Win/Linux | | Ghostscript | Recompress and patch malformed PDFs | Cross-platform | dieliekevi tsalida pdf patched