Thirty families of Noliashai under Gadkujang panchayat in the proposed Posco project site have been left out of the on-going socio-economic survey for the project. These families were protesting the survey work demanding it be put off till the completion of talks between the representatives of Posco Pratirodh Sangram Samiti (PPSS) and Revenue Divisional Commissioner, Central Range, scheduled on 29 May.