### Clue: Lawyer joins artist to find site of an Indian masterpiece (4)
### Answer: AGRA 
 ### Explanation: Definition: site of an Indian masterpiece
 AG(abbrev. for "Attorney-General", the legal officer who represents the state in legal proceedings, or chief lawyer for the state, you might say) **plus**(joins) RA(post-nominals for a member of the Royal Academy of the Arts, an artist).
Defn: …, speaking architecturally, viz. the Taj Mahal.