Answer: [Option (c)] Only three statements
Explanation: The first statement is incorrect as the Act made the Governor-General of Bengal as the Governor-General of India. The second statement is incorrect as the Act deprived the governor of Bombay and Madras of their legislative powers, not executive powers. The third statement is correct as the Act attempted to introduce a system of open competition for selection of civil servants, but the provision was later revoked due to opposition from the Court of Directors. The fourth statement is incorrect as the laws made under this Act were called as Acts, not Regulations.