TY  - GEN
ED  - Government of East Bengal & East Pakistan
TI  - Courier Service for the transmission of “Secret and” Top Secret” mail between East and West Pakistan. 
PY  - 1950///
KW  - Courier Service
N1  - সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) 


ER  -