Who called Indian Federalism as the Cooperative Federalism?

Which one of the following is not a feature of Indian federalism?

Which one of the following is not a feature to Indian federalism?

Which one of the following is not a characteristic feature of Indian Federalism?

Who said : “India is a quasi-federal state”?

Who of the following has stated that ‘The Constitution has not been set in a tight mould of Federalism’?