The JD-U leadership has asked Singh to explain why he danced with bar dancers, that was later telecast by many TV news channels.
Under the influence of alcohol, Singh on last Saturday lost his control
Bihar JD-U president Vijay Choudhary said that party took serious notice of Singh dancing with bar dancers and issued a show cause notice to him.
Opposition parties targeted JD-U for its MLA's behaviour in public. Rashtriya Janata Dal supremo Lalu Prasad demanded that the JD-U should expel Singh.