Pick up the incorrect statement from the following:
(A) Horizontal D.P.C. is provided at plinth level in internal walls
(B) D.P.C. is provided under door and verandah openings
(C) Vertical D.P.C. is not provided in internal walls
(D) Cement concrete is a rigid damp-proofing material
(A) Horizontal D.P.C. is provided at plinth level in internal walls
(B) D.P.C. is provided under door and verandah openings
(C) Vertical D.P.C. is not provided in internal walls
(D) Cement concrete is a rigid damp-proofing material