Telecommunications is one of the growing industries of Pakistani economy since this sector was opened to private organizations; This sector grew by approximately 80% in 2007, while the industry's average growth rate has been 100% over the past four years. In April 2010, there were 97.6 million mobile phone users in Pakistan and this figure has currently increased to over 17 million. Revenues from this sector increased by around 20 percent in 2009 and generated Rs 327.8 billion in the Pakistani economy. During the year 2008-2009, the total revenue collected by the Pakistani government from this sector was more than Rs. 100 billion. Telecommunications is heavily taxed and is the most documented sector of the economy compared to others. In terms of taxes, Pakistan's mobile sector has remained one of the largest contributors to the national exchequer. The government collected Rs 71.95 billion in tax collection from the mobile sector at the end of the year. Telecommunications has become one of the basic needs and an essential part of our lives; people feel comfort in their lives due to these facilities. The main reason for all this is connectivity and information sharing. However, telecommunications has also been one of the worst affected sectors, due to its fair share of issues and issues such as dual tax domain where the federation and provinces are determined to tax the sector. Another obstacle is the heavy taxation as federal excise tax with an upward trend. This industry started in 1947 with the humble beginnings of the Posts and Telegraphs Department and in 1965, the establishment of the Pakistan Telephones and Telegraphs Department took place. In 2001, PTCL launched its mobile and data services. subsidiaries respectively called UFONE and PAKNET, PakNet was then dissolved later, while Ufone remained in the middle of paper...... will act as a trigger for brand managers to make decisions in order to improve sales and strategize using the most competitive, sustainable and successful promotional tools.1.6 LIMITATIONS OF THE STUDY: This research studies the effect of sales promotional tools such as promotional discounts, free trials, coupons and in-store display, which affect the purchasing behavior of the cellular industry. The data was collected in Karachi-Sindh with a sample of 300 people aged 20 to 40 years. This may therefore not provide a clear picture of the rural and other suburban areas of our country and due to the age limit it will not address the impact of another available part of the population which is lower or above age range, the above limitations are due to time and lack of resources available to reach other demographic areas.