Banglalink as a novice cellular company has improved its condition within a very short time. The marketing plan of the company has proven right for the organization because it’s spreading its business gradually. But still it’s not the biggest cellular company in the country. GP is the leader in the market and Banglalink has got lot of aspect to improve the situation. So to be the market leader Banglalink must be very careful in the field of marketing plan and the success of the company is a matter of subject that how they are implementing the plan. As a result the Business Development and Customer Retention Policies implementation consumers’ behavior towards Banglalink is very positive and their satisfaction level is very high. The consumers of sim connection are preferred The Banglalink most. The consumers believe that Banglalink provides high quality product, but the call rate, connection rate are not so high. Consumers are mainly got information from television ads. So, at the end we can conclude that Banglalink is one of the finest companies in Bangladesh. They provide high quality of product and consumers are satisfied with Banglalink’s products they bought, especially postpaid sim connection. Consumers are satisfied by Banglalink sim category.