Kalyanpur is a former village development committee, and now headquarters of Khadak Municipality in Saptari District in the Sagarmatha Zone of south-eastern Nepal.

At the time of the 2011 Nepal census it had a population of 8,724 people living in 1,705 individual households.

Kalyanpur is a village development committee in Saptari District in the Sagarmatha Zone of south-eastern Nepal.

At the time of the 2011 Nepal census it had a population of 8724 people living in 1705 individual households.

VDC Name :Kalyanpur VDC Households :1705 District Name :Saptari Area in Square Km :19.1 Zone :Sagarmatha Development Region :Eastern Ecological Zone :Terai Ecological Sub Zone :Eastern Terai Male :4144 Female :4580 Total Population :8724 Population Density :457 per km2