Equality before law The State shall not deny to any person equality before the law or the equal protection of the laws within the territory of India Prohibition of discrimination on grounds of religion, race, caste, sex or place of birth
Sangh is using the permission of classification in #Article14 to state that the classification is constitutional. But they don't say what are the criteria for that classification.
#Article14 permits classification, so long as it is 'reasonable', but forbids class legislation.