Common Name: Eurasian Coot also known as Common Coot
Scientific Name: Fulica atra
Family: Rallidae
Nepali Name: Marul ( मरुल )
Size: 36-38cm (size) 
Location: Taudaha, Kathmandu

With predominant black plumage and a white shield on the forehead, this bird is found normally in open water areas.  

Please feel free to comment below if the above species has been misidentified.