BY A STAFF REPORTER: The Enforcement Directorate (ED) on Thursday arrested former Delhi Deputy Chief Minister Manish Sisodia after hours of questioning in Tihar Jail. Earlier, the ED had arrested Hyderabad-based businessman Arun Ramchandra Pillai. The ED on Thursday summoned Bharatiya Rashtra Samithi (BRS) MLC and Telangana Chief Minister K Chandrasekhar Rao's daughter K Kavitha for questioning in connection with a liquor policy case.