Katla rui fish baranor upay ki

Question

Anshu Sharma · Answer

Rui machh utpadan baranor jonno, apnake poshaker porimaper proti jatno dite hobe. Machher khabarer shotti poriman o niyomito poripalon korte hobe. Pani porishkar rakhun, oxygener poriman thik thak rakhun, ebong machher rog protirudher jonno poshak bikashito khadya o dawa bebohar korun.