Historians are of the view that the British signed the Treaty of Bassien (1802) with a 'Cypher'. Who was this 'Cypher'?

Historians are of the view that the British signed the Treaty of Bassi

1.	Historians are of the view that the British signed the Treaty of Bassien (1802) with a 'Cypher'. Who was this 'Cypher'?
A.	Baji Rao II
B.	Raghunath Rao
C.	Nana Phadanvis
D.	Daulat Rao Sindhia
Answer» B. Raghunath Rao