The problem is, India has 22 official languages . Then there are uncountable number of different lingual families in some of the languages. Those stamps could be written in a dialect that is not being used anymore and not taught in schools
The inscriptions in the Bhor SG 2 stamp are in Devnagari script and the language is Marathi.
As this site does not support Devnagari script, here is the screenshot of the exact inscriptions of Bhor 1A SG 2, typed in MS Word.