The Enforcement Directorate, ED today summoned  senior IAS officer B Chandrakala and others in the alleged Uttar Pradesh mining scam. official sources said their questioning is scheduled for next week. <br />''<br />''Yesterday, the ED had filed a money laundering case in connection with alleged illegal sand mining in Hamirpur district during 2012-16. Former UP Chief Minister Akhilesh Yadav held the mining portfolio during 2012-13 and  his role is also being probed.<br />''<br />''<br />