Supaul dairy is situated in North Bihar near Nepal Border area. Irrigation and cattle farming are major occupation of people. Land is very fertile and all of the area remains flood affected most of the times, for this reason there is a huge loss of lives, crops and houses etc. Natural calamity is a main reason for people having poor means in this region. Supaul dairy was established in 2014 with co-operation of organization of Bihar Government and United Kingdom’Freedom From Hunger Campaign’ with vision of providing market to milk producer and pure and fresh milk and milk products to consumer in city area. At first a dairy processing plant with capacity of 1.0 lakh litres was in operation by Bihar State Milk Federation, which was handed over to Bihar State Milk Co-operative Federation in 2014. Forming societies at villages in whole country under the operation Flood scheme, an operation has been initialized to provide market to milk producers in their own villages and to increase production and reduce expense. Especial emphasis given to artificial insemination, vaccination, distribution of insecticides, seeds of green fodder cultivation, urea treatment of straw, balanced diet etc. Operation of cooperation societies is being run by farmers; like that Kosi Dugdh Utpadak Sahkari Sangh is also being successfully run by representatives of milk producers. Where large number of cooperative organizations were failed or closed due to non profitability, milk cooperative societies and milk union are running profitability. Kosi Dugdh Utpadak Sahkari Sangh was registered in 2014 and management of Supaul dairy was handed over to Kosi Dugdh Sangh. KMU started achieving extensive growth when production of pouch milk started. Capacity of Supaul dairy is 1.0 Lakh Litre per day.