Who cast first vote of Senate election 2021 in National assembly of Pakistan?

A. Faisal Vawda
B. Shafiq Arain 
C. Shahid Khaqan Abbasi
D. Atta-ur-Rahman

In the National Assembly, the first vote was cast by PTI’s Shafiq Arain while the second one was cast by federal Minister for Water Resources Faisal Vawda.