The correct answers are Gupta and Maurya.
Step-by-step explanation
Gupta and Maurya were the two main classical civilizations in India as these developed in the Classical period and were essential for subsequent civilizations. Maurya is known for being the first great empire of India that lasted from 320 BC. until the year 185 BC. It was divided into 5 viceroyalties called Pataliputra, Taxila, Tasali, Ujjain, and Suvarnagari. This empire had a great territorial extension that covered all the north and center of India, Pakistan, and Afghanistan. On the other hand, Gupta was one of the largest Indian empires that existed from 320 AD to 550 AD located in the same territory of the Maurya Empire and adding part of present-day Bangladesh. They stood out for having great advances in medicine, mathematics, and arts. Also this empire was concerned with the invention of the chess game. So, the correct answers are Gupta and Maurya.