Hours after the Enforcement Directorate questioned former ICICI Bank chief executive Chanda Kochhar till 4 am this morning in a loan case, she was back at the probe agency's office at noon today. She left half-an-hour later. Her husband Deepak Kochhar is still at the Enforcement Directorate's office, while Videocon managing director Venugopal Dhoot is yet to arrive, sources said.