You may give evidences/temple name we'll put it in the minister's ears. Estempage is the process, by which we apply wet thin paper on the inscriptions, beat with nylon brush and then apply lamp black soot and Indian ink mixture, applied on the surface above the paper using dog's skin beater ( a thick bun like stuff) or else if we wash well and make the sun dry the top surface and letters look wet, digital photography is best We have trained at least 50 members on these methods through REACH FOUNDATION and we do wherever we find new inscriptions