The National Waterways Act, 2016.

Section 33. National Waterway 33 Doyans River :

In force · As amended up to 2026-08

33. National Waterway 33 Doyans River : Bridge near Sialmari Lat 26[o] 10‟47"N, Lon 93[o] 59‟10"E to confluence of Doyans and Subansiri rivers at Lat 26[o] 26‟53"N, Lon 93[o] 57‟12"E.

Source: India Code