some additions from India though they are damn difficult to find...perhaps the festival circuit might showcase some of them: 

Adoor Gopalakrishnan (especially, "Face to Face", "Monologue" and "Rat Trap")
G. Aravindan (look out for "The Bogeyman")
Mani Kaul ("Our Daily Bread", "One Monsoon Day", "Dhrupad", "Siddheshwari" and "The Servant's Shirt")
Govind Nihalani ("Cry of the Wounded", "Half-Truth", "Party", "Rukmavati Ki Haveli" based on Lorca's play "The House of Barnarda Alba)
Shyam Benegal (his trilogy - "The Seedling", "Night's End" and "The Churning";"The Role"; "Past, Present, Future"; "Seventh Horse of the Sun")

M