2026-07-031987-05-14https://dans.nls.ac.in/handle/123456789/6597Letter addressed to Shri M.M. Deshkar (All India Federation of Construction Labour) form Miss Geetha (NCCCL) regarding Meeting Notice of the Tripartite Study Group on Building and Construction Industry on May 21, 1987 at Delhi.enBuilding and Construction IndustryTripartite Study Group MeetingLetter