Testament of Subhas Bose is a rare and vital collection of Netaji's Radio Speeches from abroad, mainly from Germany and Japan along with Burma and similar other small countries of South East Asia. These speeches have enough information on the contemporary politics worldwide, specially of India. Thus this collection had been and will be valued as an important source for the researchers on the Second World War and the struggle of Netaji the warrior for freeing India from the clutches of imperialist British.