: As the trend towards E-teaching learning strengthens,questions remain unanswered with the effectiveness of online learning in comparison to traditional classroom learning. The aim of this paper is to analyze the impact of online and offline (conventional method) teaching method on student's learning achievement. This article outlines a case study of E-teaching vs traditional teaching learning of a Mathematics course to first year engineering students within their respective programmes. The results of study are analyzed using bar/pie charts. Comparison between online teaching and traditional teaching has been done for various parameters related to students' interest for online/offline teaching, interaction with students, students' comfort level, instructor's competency etc. related to teaching and learning. The findings generate insights which help to understand the benefits and shortcomings of online/offline teaching consequently helping in improved design of such courses. Keywords : Online Learning; Offline Learning; Covid-19; Learning tools; Technology.

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