Extension of the term of appointment of the 4th Demonstrator in the Chemistry Department, Medical College, Calcutta. File No. 2M - 9 / 36 - 1936 - 7 p; H-35 cm; W-22 cm সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) Subjects--Topical Terms: Extension