Which of the following statement are true about Punjab? Select the correct answer from the code given below the statements:
I. It is the richest state of India.
II. It has the highest proportion of S.C. in its total population.
III. It has reached the replacement level of population.
Who of the following attacked on Dr. B.R. Ambedkar by saying: "Ambedkar has had his leadership thrust upon him by a benign British Government because his services were necessary to embarrass the Nationalist leaders."