where i can get information of Epigraphs of India (South indian epigraphs)

Hi Jambanna, Epigraphs are the science of identifying and study of inscriptions and of classifying their use as to cultural context and date, explaining their meaning and assessing what conclusions can be deduced from those. You can try to get the epigraphs from the ASI, i.e. Archaeological Survey

You can get it from Archaeological Survey of India's Office (ASI)