Promotion: Promotion of products and services include activities that communicate availability, features, merits, etc., of the products to the target customers and persuade them to buy it. Most marketing organisations, undertake various promotional activities and spend substantial amount of money on the promotion of their goods through using number of tools such as advertising, personal selling and sales promotion techniques (like price discounts, free samples, etc.). A large number of decisions are to be taken in each of the area specified above.