Sender of specialist advice and guidance by the O & M Branch to various Department in working out their schemes for inservice training of their Officers. File No. O&M(I)-1T-5/63 - 1963 - 3 p,; H-35 cm; W-22 cm. সচিবালয় রেকর্ড রুম সংগ্রহ (২য় পর্যায়) Subjects--Topical Terms: O & M Branch