The correct answer is option 2 - Kothari Committee. The Kothari Committee was appointed in 1964 with the objective of formulating a comprehensive and national policy on education in India. One of the recommendations made by the Kothari Committee was the implementation of the three language formula. According to this formula, students in schools should be taught three languages: the mother tongue or regional language, Hindi (as the official language), and English. The committee believed that this approach would promote national integration while also ensuring that students are proficient in multiple languages. The implementation of the three language formula has been a topic of discussion and debate in India, with different states and regions having their own variations and interpretations of the policy.