Problem village if water is in depth more than
A "problem Village" has been defined as one where :No source of safe water is available within a distance of 1.6 km ORWater source has excess salinity, iron, fluorides & other toxic elements ORWater is exposed to the risk of choleraWater is available at a depth of more than 15 mts OR
5 mts
10 mts
15 mts
20 mts
All India exam