Flipkart expects the share of shipments handled by third-party logistics companies, including FedEx and BlueDart, to double in the coming year as the country’s largest online retailer finds it a challenge to conduct police verification of people delivering goods. The company conceded managing such a large team was a "huge challenge" and the priority will remain to offer "value-added services". "So now the challenge is how we (can) give more VAS," Kumar said. "People (delivery companies) are not evolving in the return space. Returning the goods is a big problem in e-commerce." Companies such as Flipkart, Amazon and Snapdeal, that are part of the country’s fiercely competitive ecommerce space, believe shipping goods to a consumer quickly can be a differentiator ..