सुबुंअनजिमा दोरोदनायनि गोख्रों संदान्नाया हरखाब होबथानाय बिथांखि आरो सरासनस्रा बेराम संदान्नो थाखाय data दिहुन्ना होयो ।
Active surveillance of population movements can provide data for planning emergency interventions and for general disease surveillance .