Which of the following drove the success of "Operation Flood" Programme?

Anand Milk Union Limited 

AMUL – Anand Milk Union Limited a Gujarat based cooperation was the engine that drove the success of Operation Flood Programme.  "Operation Flood" is a system whereby all the farmers can pool their milk produced according to different grading (based on quality), processed and marketed to urban centres through cooperatives. In this system the farmers are assured of a fair price and income from the supply of milk to urban markets.