Installation of a direct telephone line between the I.G. of Police and the D.I.G of Police, I.B. East Bengal.  
 File No. P6T-6/49 

 -  1949 
 - 4 p.  H-35 cm; W-22 cm. 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>telephone --line