Consider the following statements: As per 2001 Census 1. The two States with the lowest sex ratio are Haryana and Punjab. 2. The two States with the lowest population per sq km of area are Meghalaya and Mizoram. 3. Kerala has both the highest literacy rate and sex ratio. Which of these statements given above is/are correct?

1. (a)3 only
2. (b)2 and 3
3. (c)1 and 2
4. (d)1 and 3