Who deciphered the inscriptions in Rosetta Stone?

A person using the methods of epigraphy is called
  

What is the study of historical coins called ?
   

What is the study of inscriptions called?

Among the following who was an ambassador in the Court of Chandragupta Maurya ?
 

The study of inscriptions is called ________________.

Megasthenes was an ambassador in the court of ______________.

The most famous chronicle of ancient India is ______________.

Written records engraved on rocks, cave walls, metal pillars etc are called

Indica was written by _____________.