Swiggy Instamart CEO Amitesh Kumar Jha has resigned to pursue other opportunities, marking the third senior-level exit at the quick-commerce arm in a month. The company has appointed former Myntra CEO Nandita Sinha as his successor, effective August 3. Last month, Swiggy Instamart COO Ankit Jain and CBO Hari Kumar had stepped down from their roles.