Explanation:

- Kalidasa is one of ancient India's greatest poets and playwrights.

- His famous works include:

1. *Abhigyana Sakuntalam* - A Sanskrit play that beautifully depicts the love story of Shakuntala and King Dushyanta.

2. *Meghadootam* - A lyrical poem about a yaksha sending a message to his beloved through a cloud.

3. *Raghuvamsa* - An epic poem narrating the story of the Raghu dynasty.

4. *Malavikagnimitram* - A play depicting the romance between Agnimitra and Malavika.

5. *Ritusamhara* - A poem describing the six Indian seasons.

6. *Kumarasambhava* - An epic poem detailing the birth of Kartikeya, the god of war.

- Option 1: All of them is correct as all these works are indeed attributed to Kalidasa.