DDC has been collecting cow, buffalo and chauri milk from 33 districts. Milk is collected through the farmers owned,Milk producers Cooperative Societies (MPCS). Its present milk collection network has spread from Panchthar in the East to Surkhet in the West.

Hetauda Milk Supply Scheme also supports KMSS & BMSS by supplying excess milk above their local requirement. Biratnagar Milk Supply Scheme manufactures skimmed milk powder from its excess milk and milk excess from other supply schemes.

DDC has been playing a special role in contributing to uplift the economic status of rural farmers. Thus dairy has been recognized as an effective tool for poverty alleviation. In the Fiscal Year 2062/2063 DDC purchased about (approx.) 1,50,000 liters of milk per day from the farmers.