**Explanation:**

**Vrishala:**
- Vrishala was referred to as a member of a lower caste or a non-Aryan in ancient Indian society.
- In the context of the question, Vrishala refers to Chandragupta Maurya.
- Chandragupta Maurya was born into a humble family and was not of royal descent.
- He was initially known as Vrishala before he became the emperor of the Mauryan Empire.

**Kulahina:**
- Kulahina refers to Kunala, the son of Emperor Ashoka and Queen Padmavati.
- Kunala was the crown prince and was considered the rightful heir to the Mauryan Empire.
- However, he lost his right eye due to a conspiracy and was subsequently banished from the kingdom.
- After his banishment, he was referred to as Kulahina, meaning "one who has lost his lineage or family."

**Chandragupta Maurya:**
- Chandragupta Maurya was the founder of the Mauryan Empire in ancient India.
- He overthrew the Nanda dynasty and established his rule in Magadha (present-day Bihar).
- Chandragupta Maurya's reign began around 322 BCE and lasted until 298 BCE.
- He was known for his administrative skills and military prowess.
- Under his rule, the Mauryan Empire expanded to become one of the largest empires in ancient history.

**Kunala:**
- Kunala was the son of Emperor Ashoka and Queen Padmavati.
- He was the crown prince and was being groomed to succeed his father.
- However, he lost his right eye due to a conspiracy hatched by his stepmother, Queen Tishyaraksha.
- Kunala was banished from the kingdom and wandered as a blind prince.
- Despite his disability, he was known for his wisdom and compassion.
- Kunala's story is often seen as a symbol of resilience and the triumph of the human spirit.

Overall, Chandragupta Maurya was referred to as Vrishala, and Kunala was referred to as Kulahina.