Original: According to the book, Akilam, Hari Gopalan Citar wrote this book on the twenty-seventh day of the Tamil month of Karthikai (November/December) in the year 1841 CE.
Simplified: According to the book, Hari Gopalan Citar wrote this book on the twenty-seventh day of the Tamil month of Karthikai (November/December) in the year 1016 ME (1841 CE).