As per section 21-A(5) of the Anti-Terrorism Act, 1997 an area may be designated a cardoned area for maximum period of _____________ days which may be extend in writing from time to time?

As per section 21-A(5) of the Anti-Terrorism Act, 1997 an area may be designated a cardoned area for maximum period of _____________ days which may be extend in writing from time to time?

A. Seven days
B. Fourteen
C. Twenty-one
D. Twenty-eight