New Delhi: Reliance Group chairman Anil Ambani has been summoned again by the Enforcement Directorate (ED) for questioning next week in an alleged bank fraud-cum-money laundering case, according to sources. The 66-year-old businessman was questioned by the federal probe agency in August. Anil Ambani has been asked to depose on November 14 for questioning in a money laundering case linked to an alleged bank loan fraud at the State Bank of India (SBI), the sources said. The agency recently attached assets worth Rs 7,500 crore as part of its investigation against Ambani's group companies.