Mukesh Bansal and Ankit Nagori, the two most top-notch executives at Flipkart Ltd, have resigned to start their own ventures, Now co-founder Binny Bansal is left in control of the country’s largest e-commerce company. Mukesh, the head of Flipkart’s commerce platform and its tyro advertising business, will leave by April, while chief business officer Nagori will exit by May.