Bilingualism can be used as a teaching aid in teaching and learning English language in an Indian classroom and to improve the language accuracy, fluency, and clarity of learners. Bilingualism can aid the teaching and learning process productively in the classroom. In India, most of the students consider English as a subject rather than a tool of communication. The fear towards English language can be diminished when native and source languages are used comparatively in the classroom. The interest and exposure are the key words for learning a language. Teachers should instill confidence among learners by making the learning process easy and simple. This paper aims at observing and analyzing students' use of bilingualism in various linguistic situations and the process of learning English through bilingualism. The study demonstrates that all learners need a support of the vernacular language in learning English as a second language