✔ Correct Answer: A. Third Schedule
The correct answer to the question “Under Constitution of Pakistan 1973, the Chairman and Deputy Chairman of Senate to take oaths before entering upon their offices in the form set out in the ______?” is Third Schedule. 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.