Inscriptional evidences have been used through digged out extensively to know about past text-books, pillars, structures etc. But there are some limitations to what epigraphy can reveal.
(i)Technical limitations such as letters are very faindly engraved, and Also, inscriptions may be damaged or letters missing.
(ii) It is always not easy to be sure about the exact meaning of the words used in inscriptions, some of which may be specific to a particular place or time.
