Improvement to the filtered water supply to the quarters of the inspectors & Sub-inspectors at Police training school at Dhulaondals, Calcutta 
 File No. P.5B-138/ 37 

 -  1937 
 - 06 p.  H-35 cm; W-22 cm. 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>water  --supply