The present study based on data collected from 70 private dairy farms in Muzafarnagar district of Uttar Pradesh during reference period 2011-12 was undertaken to analyze economic viability of milk production in private dairy farms in study area.The analysis of the data (ANOVA) on plot size in blocks revealed the significant difference (p<0.01). The total plot sizes, plot size used by dairy were 687.86±21.40 yards2, 565.00±24.28 yards2 respectively. Analysis of data reveled that blocks had also significant (P≤0.01) effects on per litre sale price of cow and buffalo milk along with total daily milk sale (Table 40). The overall mean of litre sale price of cow and buffalo milk along with total daily milk sale were ` 27.03 and ` 32.0 per liter and ` 4713.90 per day. The blocks had also highly significant effect (P≤0.01) on total monthly income (`) through sale of milk, sale of manure and gunny bags. The overall mean for total monthly income (`) through these traits were ` 143231.77±4260.46 were Rs 1575.00 and ` 665.71 respectively.) The overall mean for total monthly receipts monthly recurring expenditure and monthly net economic gain were ` 145472.49±4298.80, ` 109106.09±2494.28 and

` 36366.39±2447.71.