Basant Lekhak

environment engineering slope instability national air guideliness noise pollution air pollution eia sanitation public health civil architecture slope failures kathmandu-nijgadh fast track economics ktft fast track nepal army bioengineering green house effesct global warming climate change sewage tretment national noise guideliness swm solid waste managment sanitary environmental engineering ii wastewater engineering public health eng nepal slope failure nursery civil engineering structure vegetative stabilization tech bio-engineering slope stability geotechnical engineering national noise guidelines dispersion equation gaussian plume model plume rise dillution bes iee eia environmentscience epr2077 epa2076 environmental impact assesment sustainable sanitation