Section 390(1)(b) in The City of Nagpur Corporation Act, 1948
(b)except as the State Government may otherwise by notification in the Gazette direct, all rules, by-laws, regulations, orders, directions, and powers made, issued or conferred under this Act and in force at the date of inclusion shall apply to the said area, in supersession of all corresponding rules, by-laws, regulations, orders, directions and powers made, issued or conferred under the Central Provinces and Berar Municipalities Act, 1922, or [the Central Provinces and Berar Local Self-Government Act, 1920] [See now the C. P. and Berar Local Government Act, 1948 (XXXVIII of 1948).], or the Central Provinces and Berar Panchayats Act, 1946, or the Central Provinces and Berar Village Sanitation and Public Management Act, 1920, as the case may be.