The paper is intended to study the efficiency of Project Based professional Learning in improving Writing Skills to the prevailing English Language development. This research is based on selected group of students enrolled in different programs at university level. The traditional mode of writing skills is compared with the modern version of techno- aided tool i.e. Chat GPT an open AI Tool (CHAT- OAI). The targeted group has been taught with the traditional way of teaching and has been appraised with the latest version of CHAT- OAI. The treatment group has been accessed through mixed method approach, it’s a quasi- experimental design with pre-recorded test and post recorded test experimental set- up where the impact of techno tools on Professional writing topics is studied; especially in connection to Business correspondence needs as letter writing, email writing, report writing, notices, memorandums, office orders, circulars, agenda and minutes of meetings etc. The similar has been followed with open ended Questions to seek an over- view of student’s perceptions and feedback on the blended teaching tactics introduced in the classrooms. The data analysis reveals that the techno- aided version of Chat- GPT would replace the conventional mode of learning language. Technology assists students to improve professional writing skills. The study reveals that the students and teachers have keen interest in improving the current practice of developing their professional writing content as it seems to be more quality and time saving; further enhancing confidence of working professionals.