As LOP he is answerable according to constitution of India. Manusmriti at this point is an irrelevant (if not illegal) document that goes against constitutional values.
CM or UP still seems to be 15th century
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“Rahul Gandhi made a remark against the Manusmriti for which he should apologise to the country…. The country doesn’t expect anything from him as an individual. But he is answerable to the country’s democracy in his capacity as the Lok Sabha Opposition leader.