Tupui ‘D’ lei dawh hna muan lutuk avang a S.Vanlaiphai Group YMA leh YLA Sub-Hqrs Sangau ten an huamchhunga zirna In leh pisa zawng zawngte ni 2 chhung an khar hnuah Zirtawpni khan NGO hruaitute leh lei dawh hnathawktu M/S Guha Niyogi Associates & Engineer Kolkata Ltd. hotute chu Tuipui ‘D’ khuaah an inbia a, Contractor-te hian December ni 20 ral hma ngeia lei dawh hna hi an zawh tur thu leh hemi atan hian sawrkar-in pawisa a pek belh tawh lo a nih pawhin anmahni pawisa hmanga an thawh zawh ngei tur thu an sawi avangin NGO te hian lungawilohna an lantir chu tiamchin awm lovin an ti tawp ve nghal.