PMGSY hnuaia Khawzawl leh Ngaizawl inkar kawngpui Blacktopping hna thawh mek chu Ngaizawl khawtlang hruaitute, PWD aiawh leh Contractor ten an tlawh hnuah Ngaizawl khawtlangin he kawnga lirthei bungraw phur tlan an khap lailawk.