Mukhiyapatti Musharniya is a rural municipality in Dhanusha District in Province No.

2 of south-eastern Nepal established in 2073 BS.

It was formed by joining Tulsiyahi Nikas, Tulsiyani Jabdi, Baheda Bela and former Mukhiyapatti Musharniya Village development committees.

The total area of Nagarain municipality is 26.84 km2.

[2][3] On a geographical basis, it is the lowest point in Nepal from sea level, the highest being the peak of Mount Everest.