To develop and deliver software to the customer, validating its quality is highly important. Software testing can be performed manually or using automation tools to identify defects, assess the quality of the product and gain confidence in the software being developed. Automation tools helps in design and execution of test scripts saving time and cost involved in manual testing. This paper mainly focuses on the automation testing tools currently available to support design and execution activity, challenges faced by manual tester in executing automation scripts, approaches in executing of automation scripts using TestNG and its disadvantages and then overview of the proposed web application which overcomes the problems faced by manual testers, reduce the time spent on initial set-up activity to carryout test scripts execution and overcome disadvantages of execution using TestNG. © 2006-2015 Asian Research Publishing Network (ARPN).