According to Haryana Panchayati Raj Act 1994, at a special meeting of Zila Parishad, the quorum shall be ........ .

The correct answer is: B. One half of the member of members actually serving for the time being.

According to Section 102 of the Haryana Panchayati Raj Act 1994, at a special meeting of Zila Parishad, the quorum shall be one half of the members actually serving for the time being.

The other options are incorrect because:

• Option A is not mentioned in the Act.
• Option C is the quorum for a general meeting of Zila Parishad, as per Section 101 of the Act.
• Option D is the quorum for a meeting of a committee of Zila Parishad, as per Section 103 of the Act.