The correct answer is: Only conclusion I follows.
The statement says that any young man who makes dowry as a condition for marriage discredits himself and dishonours womanhood. This means that such a man is not a good person and does not respect women. However, it does not say anything about people who do not take dowry. It is possible that some people who do not take dowry also do not respect women, and it is also possible that some people who take dowry do respect women. Therefore, conclusion II does not follow.
Conclusion I, on the other hand, does follow. The statement says that any young man who makes dowry as a condition for marriage discredits himself and dishonours womanhood. This means that such a man is not a good person and does not respect women. Therefore, it is reasonable to conclude that society should condemn such men.
In conclusion, only conclusion I follows.