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Cloud computing has been envisioned as the next-generation technology of IT industries. The Cloud is a platform where data owner remotely store their data in the cloud to enjoy the high quality applications and services. The client or data owner send their data to data centre and utilize the service provided by the Cloud Service Provider (CSP). The CSP will manage the data of client at data centre. If there is large number of clients is there who using the services of cloud then the management of data at data centre will be difficult and even some time for their mutual benefit of CSP (limited space available at Data Centre) it can discard some data of client which is not used by the client for a long time. So we use Third Party Auditor (TPA) who not only manage the data but also tells the client that how much CSP is reliable and can keep the data safe. Even sometime client send false data or data is corrupted due to noise or some error, he claims that CSP change his data. Since there is no provisioning of accountability of data, so no one accounts for false data and also we can’t trust fully on TPA, he can also transfer clients’ data to his competitor. In this paper, we present a way to implement TPA who not only check the reliability of Cloud Service Provider (CSP) but also check the consistency and accountability of data. This paper addresses this challenging open issue of integrity and data dynamics. This paper will also helps in solving the problem of data privacy, accountability and integrity of data.