 They traditionally practice slash-and-burn and "tsheri" agriculture, planting dry rice crops for three or four years until the soil is exhausted and then moving on, however the practice has been officially banned since 1969.The Lhotshampa are generally classified as Hindus.However, this is an oversimplification as many groups that include the Tamang and the Gurung are largely Buddhist; the Kiranti groups that include the Rai and Limbu are largely animist followers of Mundhum (these latter groups are mainly found in eastern Bhutan).