Time of ‘zero-hour’ in Parliament is

The correct answer is (d). Zero hour is a period of time in the Indian Parliament when any member can raise any issue without notice. It is held from 12 noon to 1.00 p.m. on working days.

Option (a) is incorrect because the time of zero hour is from 12 noon to 1.00 p.m., not from 9 a.m. to 10 a.m.

Option (b) is incorrect because the time of zero hour is from 12 noon to 1.00 p.m., not from 10 a.m. to 11 a.m.

Option (c) is incorrect because the time of zero hour is from 12 noon to 1.00 p.m., not from 11 a.m. to 12 a.m.