The advent of Information and Communications Technology (ICT) in education provides room for innovation in pedagogical approaches and one of the tools gaining popularity in recent times is Chatbots that facilitate Human-Computer Interaction. This paper exemplifies how a Chatbot was developed by the learners themselves to learn basic German grammar. An experimental study was conducted among the undergraduate learners of engineering learning Basic German as part of their curriculum and this paper reports the initial observations and feedbacks from the students and analyzes quantitatively the efficacy of the Chatbot to learn foreign languages.