Annual administraton report for Irrigation Department for the year 1956-57 Irrigation Department, Government of Bihar - Patna Superintendnet, Secretariat Press 1960 - 34 p. 20 cm. Subjects--Topical Terms: Irrigation--India - Bihar--1936-37Irrigation projects--India - Bihar--1936-37Irrigation department--Appropriations and expenditures--1936-37 Subjects--Index Terms: Irrigation Department - Annual administration report - India - Bihar 1956-57