Among seven brothers, Aman, Bunty, Chintu, Deepak, Ishan, Hari and Golu, Bunty is taller than only four other brothers. Chintu is taller than Deepak. Aman is taller than Hari. Ishan is taller than only Golu, who is the shortest among all the brothers. Bunty is taller than Aman.

Given that no two brothers have the same height, who is the tallest among the seven brothers?