Invitation for Sealed Quotations of Melamchi daduwa sadak khanda bisauna pahiro niyantran/ MMSI/WORKS/NCB/SQ/2077-78/20, Dobhantar Saharekhet sadak nirman /MMSI/WORKS/NCB/SQ/2077-78/21 and Construction of Dadaha kholan Bhirkhet Amble Seutari Khahare Sinchai Musure-4.