The research investigated Teachers'' Perception of Information and Communication Technology and its impact on Teaching Learning Process. Survey method was employed in the present study. Population of the study was High and Higher Secondary School Teachers in and around Chennai city. Six tools namely ICT and Teacher Attitude, ICT and Computer Uses, ICT and Teacher Anxiety, ICT and Teacher Avoidance, ICT and Teacher Competency and ICT and Classroom Learning Productivity were used to collect data. The data were collected from 253 teachers drawn from fifteen schools at random. The data was subjected to different statistical analyses. The major findings emerged from the study are Gender, Age, Internet facilities in schools, Computer Uses, Teacher Attitude and Teacher Competency have significantly contributed to Teachers Perception of ICT and its impact on Classroom Learning Productivity. Also, Monthly income, Faculty Discipline and Teaching experience did not play significant role in Teachers'' Perception of ICT and its impact on Teaching Learning process.