As per IS 456:2000, which of the statement regarding longitudinal reinforcement in the RCC column is INCORRECT?
1
Minimum 4 longitudinal bars is to be provided in a rectangular column.
2
Minimum 6 longitudinal bars is to be provided in a circular column.
3
Minimum diameter of longitudinal bars shall not be less than 12 mm.
4
Minimum 8 longitudinal bars is to be provided in a column having helical reinforcement within the helical region.