✔ Correct Answer: C. National Accountability Bureau Ordinance 1999
The correct answer to the question “As per the case Khan Asfand Yar Wali and other vs Federation of Pakistan (PLD 2001 S C. 607) the decision of the case was that the effect of ______ was valid retrospectively.” is National Accountability Bureau Ordinance 1999. This question belongs to Pakistan history 1947 to 2026 in Pak Study. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.