Correct option is A
Damp-proof course (DPC):
provided at basement levels/plinth level, which prevents moisture movement through walls and floors.
A cement concrete layer in the
proportion 1: 2: 4 is generally provided at the plinth level.
The
depth of the DPC varies from
4 cm to 15 cm.
Estimation of D.P.C work is measured in square meters of area.
