Answer : 4. "कालिदास"
Explanation :

1. Two epics, 'Raghuvansh' and 'Kumarasambhavam' are works written by Kalidasa.

2. Kalidas was a great poet and playwright of Sanskrit language. Who was born in the 4th century AD.

3. His famous works include Raghuvansh, Kumarasambhavam, Meghdoot, Abhijnanashakuntalam and Vikramorvasiya.

4. Kumarasambhavam is an epic that narrates the love story of Shiva and Parvati and the birth of Kartikeya.