The business sector has improved a lot and the competition also has increased after the adoption of globalization policy by many nations. Having a monopoly, there is no sector in the world now. To sustain in the market by adopting different marketing techniques at this stage various companies are trying their level best. One such tactics adopted by many business organizations is issuing membership cards to the loyal customers. In the retail sector, this strategy of issuing membership cards or loyalty cards has been started first. In two ways, there they use this strategy. As they will get the things for a cheaper price the discounts and special offers to the card holders attracted many people. Secondly, to keep the customers with the organization the point system worked out well. Whenever he or she makes some purchase organizations will keep on adding points to the membership card of a particular customer. On the volume of his or her purchase these points have been calculated. The points also will be more when the purchase is larger in volumes. From that single shop this made the customer to purchase almost all items. Hence, the shop owners will get more business and customer will get more points. These points will be evaluated once in regular intervals or on special festival occasions and for any item of their own choice, the customer can exchange his or her points. In other words, using membership cards, they are able to purchase something free of cost. This strategy has worked wonders and as a result, this strategy is being used by almost all retail outlets. For Further Detail about membership cards and plastic cards please visit the website.