Suppose you want to buy some books from publisher in Bombay. What procedure will that publisher follow in order to supply the books to you through 'Mail order'?
The publisher can send you the books in one of the following ways.
1. The publisher can ask you to make the full payment of books in advance and deliver the books thereafter.
2. He can send the books through Value Payable post. It means the publisher will send the books through post and it will be delivered to you after making the payment.
3. He can instruct a bank to deliver the books to you.