Mirza Ghalib is one of the greatest poets of Urdu. His poetry is known for many qualities like versatility, depth, philosophic approach and command over the art of poetry. His Urdu diwan was published five times in his life. It is still one of the most popular diwans of Urdu poetry. The result of its popularity tempted many scholars for its editing. Their point of views and approaches are quite different from each other. The article presents an overview of diwan of Ghalib through examples. It also compares the different selections of Ghalib's poetry and discusses how much the principles of editing have been observed in these editions.