The study enlightens the effectiveness of Project Based Blended Learning in Learning Micro teaching skills among the student-teachers of B.Ed level. Traditional methods challenged to enhance the teaching of Micro-teaching skills among the student-teachers. The researcher endeavoured to practice Project Based Blended Learning for enrich the knowledge and understanding the teaching of Micro-teaching skills. .Objectives of the study: 1.To find out the effectiveness of Project Based Blended Learning in acquiring Micro teaching skills..2.To find out the significant difference in achievement mean score between the pre test of control group and the post test of control group.3.To find out the significant difference in achievement mean score between the pre test of Experimental group and the post test of Experimental group. Methodology: Parallel group Experimental method was adopted in the study. Sample: Thirty Student-Teachers of B.Ed, Paramveer College of Education, Dharmapuri were selected as sample for the study. Thirty students-teachers were considered as Controlled group and another thirty were considered as Experimental group. Tool: Researcher’s self-made achievement test was used as a tool for the study. Validity of the tool was established by the opinion of the juries. Reliability of the tool was established by the split-half method. Statistical technique:’t’ test was used to analyse the study. Findings: Project Based Blended Learning is more effective than traditional methods in acquiring Micro teaching skills. .Educational implications: It can be implemented for preparing lesson plan and other teaching-learning activities.