Indian Polity · Polity

Consider the following provisions related to equality and non-discrimination under the Constitution of India: I. The State is permitted to make special provisions for the advancement of socially and educationally backward classes of citizens, including in educational institutions. II. The prohibition of discrimination on grounds of religion, race, caste, sex or place of birth applies only to actions of the State and not to private individuals in any context. III. Equality before law under Article 14 absolutely forbids any form of classification by the State. IV. Abolition of untouchability under Article 17 is enforceable against both the State and private individuals. How many of the above statements are correct?