i. Written Constitution
ii. Rigid Constitution
iii. Supremacy of the Constitution
iv. Appointment of Governor
v. Decentralization of Powers
vi. President's approval on state bills
vii. Constitutional Crisis
viii. One Supreme Court
Correct Answer: (d) iv, vi, vii
Solution:The Constitution of India contains all the usual features of a federation, viz, two governments, division of powers, written Constitution, rigidity of the Constitution, independent judiciary and Bi-cameralism. However, the Indian Constitution also contains a large no of unitary features, viz a strung Centre, single Constitution, single Citizenship, flexibility of Constitution, integrated Judiciary, appointment of state Governor by the Centre, all India services, Emergency provision, etc.