This standard ( Part 1 ) lays down requirements regarding types, sizes, material, construction, workmanship and finish, and tests of cellular and hollow core wooden flush door shutters with face panels of plywood or cross-band and face veneers.
IS 2191 Pt.1-1983 history
1983IS 2191 Pt.1-1983 Specification for wooden swing door shutters (porous and hollow type) Part 1 Plywood panels