Choose the incorrect observation from the followings in respect of the Princely states during the British rule in India?

• A.  The burden of the land tax over the peasants in the princely states was usually heavier than that of in British India.
• B.  The Princes of the states were called upon by the British government to play the role of bulwarks of reaction against the Indian National Movement.
• C.  A few princely states like Baroda showed sympathy with the national freedom movement.
• D.  No princely state tried to promote industrial and agricultural developments or administrative and political reforms.