Enforcement Directorate interrogated its nodal investigation officer Manoj Kumar in the Rose Valley ponzi scam for his alleged association with the estranged wife of main accused Gautam Kundu. <br/><br/>ED questioned Kumar on the purported CCTV footage, which showed him and Kundu's wife checking into a hotel in Delhi, and also at the lobby of the airport.<br/>'<br/>The ED had suspended Kumar and stripped him of his involvement from all cases he was investigating. He was on deputation to ED from customs and central excise.<br/>'<br/>However, Kumar has been maintaining that he was a victim of a conspiracy and was ready to face all interrogations. <br/><br/>Meanwhile, CBI has sought clarifications from Kolkata Municipal Corporation (KMC) on how the civic body could issue trade licenses to another ponzi firm, Saradha Group, to carry out the illegal business. <br/><br/>Both Gautam Kundu and Saradha Group chief Sudipto Sen are now in judicial custody.<br/>