New Delhi : E-commerce companies are struggling to handle cash on delivery (COD) orders, following the government’s decision to demonetise Rs 500 and Rs 1,000 currency notes, with firms like Amazon and Paytm temporarily halting the facility for customers, reports PTI. Some companies like Uber, Bigbasket issued advisories urging customers to pay in lower denominations, while others like Flipkart, Snapdeal have set limits to the value of orders that can be delivered through COD. According to industry estimates, about 70 per cent of the shoppers opt for cash while buying a product. “We have temporarily stopped cash as a payment option for new orders.