Sms Service is a defined form of short message service which is a revolution brought by telecom industry. It is often called as short sms or text message which means sending text messages from and to a mobile phone. Short message service is now widely known and is popular in the initial days of 21st century. sms service is now provided by every mobile operator for sending text message on any mobile phone nationwide or international. These operators offer multiple packages for sms messages. Sms service is one of the most used ways to communicate across India and is also popular worldwide. Due to this sms popularity, many companies use it as a most effective marketing tool to advertise their products. Sms are also used in their applications to send a auto generated sms on various task and is also begin used in a CRM tools by many corporate. As compare to bulk sms services sending messages through mobile phones have many problems, they are not as cost effective, typing messages on mobile is time consuming task, after typing it’s another time consuming talk is selecting recipient’s numbers. As to target high volumes of people they need to be send through some dynamic software’s. They require a tool which is able to send bulk SMS and in this way help them to promote their product and save their costs and time. Bulk SMS is sending or receiving messages in large volume i.e. sms in bulk. The benefit of bulk messaging is that one single sms can be sent to a group in a single shot and in very short time (in minutes only). Due to its low cost, the trend of bulk sms messaging in India is increasing. There are some services available which allow sending free sms in India. These services also offer group sms services in which a single message can be sent to a group at a time.