Vawiin khan Mizorama national highway kawngpui zauh hna thawktu tur sawrkar laipui Ministry of Road Transport and Highways hnuaia National Highways & Infrastructure Development Corporation Limited (NHIDCL) huaihawtin Lawngtlaiah faina kawng zawh (cleanliness drive) buatsaih a ni.

He kawng zawh hi Swachh Bharat Mission hma lakna thlawpa buatsaih niin, Ngurnunsangi English School-a Class IX zirlaite'n faina chungchang thuziak kengin Lawngtlai Chandmary Square atanga Areopagy thleng kawng hi an zawh a. "India ram a lo fai chuan natna hrik a bo ang", "Lawngtlai khawpui a lo fai nan mi tinin mawh kan phur theuh a ni", "India ram fai nan bawlhhlawh bawm hmang thin ang che" ti tea au rualin, mipui hnenah faina ngaih pawimawh a tulzia an au chhuahpui a ni.

He kawng zawhnaah hian NHIDCL-a thawkte leh zirtirtu thenkhat an tel bawk.