CLAUSE. 26.5.1.1(a) and (b) of IS 456, the minimum amount of tensile REINFORCEMENT SHALL be at least (0.85 bd/fy) and the maximum area of TENSION reinforcement shall not exceed (0.04 bD). where, b = width, d = effective depth, D = overall depth, fy = yield strength of steel Area of minimum tensile reinforcement is provided for DUCTILE failure of member.