Which of the following statements are correct about Poona Pact 1932?
 148 seats were to be allotted to the depressed classes in the provincial legislatures.
 This was more than double from the 71 seats as promised in the Communal Award.
 Certain percentage of the seats allotted to the general Non-Muslim electorate would be reserved for the depressed classes.
 The depressed classes agreed to adhere to the principle of Joint Electorate.
[A] 1, 2 and 3 only
[B] 2, 3 and 4 only
[C] 1, 3 and 4 only
[D] All are correct