PATNA/AURANGABAD: A former MLA of Bihar's ruling party was arrested on Wednesday after he was seen consuming beer and mocking chief minister Nitish Kumar's move to impose prohibition in the state in April.Ex-JD(U) MLA Lalan Ram, who was shown by a news channel calling the liquor ban useless, was arrested from Bihar's Aurangabad after an FIR was lodged against him.The footage had gone viral on social media.Ram was an MLA from Aurangabad's Kutumba between 2010 and 2015. The arrest comes at a time when the Bihar government has decided to make the prohibition more stringent by making even possession of liquor a non-bailable offence.Earlier, JD(U) lawmaker Manorama Devi was jailed after liquor was recovered from her residence. BJP state president Mangal Panday said Nitish was unable to make his own party members follow the prohibition rule.JD(U) spokesman Sanjay Singh said the party would not tolerate such acts.