The correct option is A Nawab Anwar-ud-din
Duplex promised to handover Madras to Nawab Anwar-ud-din if the later allowed the french to conquer it. When Duplex
refused to restore the Madras to Anwar-ud-din, the later sent an army
against the French. The army of Nawab was defeated by the French in the
battle of Adayar (st. Thomas), near Madras.