The present study seeks to measure the relationship between emotional maturity and teaching competency of prospective teachers. The Emotional Maturity Scale (EMS) developed and standardised by Dr Yashvir Singh, and Dr Mahesh Bhargava revalidated by the investigator in 2019 and Teaching Competency Scale (TCS) constructed and standardised and validated by the investigator in 2019 for prospective teachers. The investigator has been used to collect the data from the sample of 650 prospective teachers studying in Coimbatore, Nilgiris and Tirupur district of Tamilnadu, India. The findings of the study expose that there is no significant difference in emotional maturity of excepted teachers with regard to gender, there is no significant difference in teaching competency of prospective teachers with respect to gender, there is no significant difference between the mean scores in the emotional wisdom with the type of college and there is no significant difference between the mean scores in the teaching competency with kind of college.