The Gurukula system of education was a traditional method of learning in ancient India, where students lived with their teacher (guru) in a secluded place (gurukula) to gain knowledge. This system was prevalent in the Ancient period of Indian history, particularly during the Vedic and early post-Vedic times.
Step 1: Gurukula System
The Gurukula system focused on personal and intimate teacher-student relationships. Education took place in natural surroundings, and the teacher imparted knowledge orally, often focusing on subjects such as the Vedas, philosophy, and arts.
Step 2: Conclusion
Therefore, the Gurukula system was primarily a feature of the Ancient period in India.
Final Answer: Ancient period.