Dipak Gyawali, former Minister for Water Resources, heads Nepal Water Conservation Foundation and is hydropower expert. Q: Why did the Koshi breach its embankment? Who was responsible for the repair work-- India or Nepal? DipakG: It is important to step back a bit to realize that this catastrophe happened because of the unholy confluence of three things: wrong technological choice for this kind of a hydro-ecological regime, wrong institutional arrangements resulting from the Koshi Treaty that are not right for managing this kind of a trans-boundary river system, and wrong conduct in public service over the last half-century, which includes aspects of corruption as well as what people in Delhi like to deride as