The United Nations Development Programme contributed nearly one million dollars for preparation of a Master Plan for the development of Lumbini, including numerous engeering and archaeological studies. The plan, which was completed in 1978, has as its objecive to restore an area of about 7.7 kM2, to be known as the Lumbini Garden, centering on the garden and the Ashoka Pillar, with an additional area of 64.5 km2 to be developed in its support.

UN Secretary General Late U Thant		Kenzo Tange

According to architect Kenzo Tange, "the overall intent is to reinforce the symbolic entity of the Lumbini Garden in its simplicity and clarity'.. Development will provide for visitors to Lumbini - pilgrims and tourists - and will also support such complementary activities as residence of monks, research, international meetings and teachings.