Upgrading the post of survey officer up to Class II Gazetted Post under Housing Directorate File No. Estb/RI/S-72/73 - 1973 - 14 p.; H-35 cm; W-22 cm. সচিবালয় রেকর্ডরুম সংগ্রহ (দ্বিতীয় পর্যায়)। Subjects--Topical Terms: Housing Directorate