That opera more famously contains the (*)  "Flower Duet".
One opera based on a play written in this country was written by Franco Alfano. Another opera set in this country centers on the title (^)  warrior leader, Idamore, and was written by Gaetano Donizetti. That opera also includes the priest Akebar. Another opera set in (+)   this country includes the "Bell Song", which a father forces his daughter to sing to summon her lover into a trap. That opera more famously contains the (*)  "Flower Duet". For ten points, name this country, the setting of Lakme ,  Il Paria , and  Sakuntala .
One opera based on a play written in this country was written by Franco Alfano.
India