The Seal affixed on important letters by the Prophet (SAW) was kept in the custody of:

A. Hazrat Ali (R.A)
B. Hazrat Qais (R.A)

C. Hazrat Khuzaifa (R.A)

D. Hazrat Bilal (R.A)

Occurrence: PPSC - EDUCATOR (BS 16) - PUNJAB SPECIAL EDUCATION DEPARTMENT - 2015