The Natyashastra, attributed to the sage Bharata Muni, is the earliest known text on Indian dramaturgy. It is a comprehensive treatise on the art of drama, covering topics such as play structure, characterization, staging, and acting.

Kathakali is a form of classical Indian dance-drama from the state of Kerala, India. It is not a type of ancient Indian drama.

Kalidasa is widely regarded as the greatest playwright of ancient India. He is known for his plays such as "Shakuntala", "Vikramorvashiyam", and "Malavikagnimitra", which are celebrated for their lyrical beauty, poetic language, and profound insights into human nature.

The central theme of Kalidasa's play "Shakuntala" is love and separation. The play tells the story of the love between King Dushyanta and the beautiful Shakuntala, their separation due to a misunderstanding, and their eventual reunion.

Mudrarakshasa is a play by Vishakhadatta that is known for its political intrigue and suspense. The play revolves around the struggle between the Mauryan emperor Chandragupta Maurya and the Nanda king Rakshasa for the control of the Magadha kingdom.

The prologue in ancient Indian drama serves multiple purposes. It introduces the characters and the plot, invokes the blessings of the gods, and sets the mood and atmosphere of the play.

Ancient Indian drama is not characterized by a focus on realism and naturalism. Instead, it often employs stylized acting, symbolic gestures, and elaborate stagecraft to create a heightened sense of theatricality.

Nayaka is the term for the main character in ancient Indian drama. It refers to the male protagonist who is typically a noble, heroic, or virtuous figure.

Comic relief is not a type of character commonly found in ancient Indian drama. Instead, ancient Indian drama often employs a character called the Vidushaka, who serves as a jester or clown and provides comic relief.

Sutradhara is the term for the stage manager in ancient Indian drama. The Sutradhara is responsible for introducing the play, explaining the plot, and guiding the audience through the performance.

Raudra (anger) is not a type of rasa (emotion) that is evoked in ancient Indian drama. The eight rasas that are traditionally recognized in ancient Indian drama are Shringara (love), Hasya (laughter), Karuna (compassion), Veera (heroism), Adbhuta (wonder), Bhayanaka (fear), Bibhatsa (disgust), and Shanta (peace).

Bharata-vakya is the term for the concluding section of an ancient Indian drama. It is a benedictory verse that is spoken by the main character and serves to summarize the play's message or moral.

Nalanda is not a major center of ancient Indian drama. Ujjain, Pataliputra, and Mathura are considered to be the three major centers of ancient Indian drama.

Rangasthala is the term for the traditional Indian theater. It is a raised platform or stage where戏剧performances are held.

Bharatanatyam is not a type of ancient Indian theatrical performance. It is a classical Indian dance form that originated in the state of Tamil Nadu.