Art.258(1) - For invoking the emergency clause by the State Government entrustment of executive powers of the Central Government to the State Government is not necessary - Issuing of a notification under Art.258(1) giving power to the State Government to exercise powers that the Central Government are having will have the source of law - Land acquisition Act, 1961, S.17(1). [Gopinathan Nair v. Union of India, 2000 (1) KLT 185.  G. Sasidharan (J)]