My book is a study on Enhance and Improvement of Communication by use of Digital Language Laboratory. This book contains History, facts, data and software of Digital Language laboratory, Language learning theories, Scope, Objectives, Advantages and Challenges of Digital Language Lab, Research design and Methodology, Selected students Test evaluation-analysis, Questionnaire, Test result and findings. In Indian educational system, as per National Council of Educational Research and Training (NCERT) and All India Council for Technical Education (AICTE) have recommended this useful concept to improve Communication Skills at School and College level education. My Book will be very useful to Students and Teachers for Improvement and Self Evaluation of Communication Skills at School and College level education.