Kālidāsa
The most popular theory is that Kalidasa flourished during the reign of Chandragupta II, and therefore lived around 4th-5th century CE. Several Western scholars have supported this theory, since the days of William Jones and A. B. Keith. Many Indian scholars, such as Vasudev Vishnu Mirashi and Ram Gupta, also place Kalidasa in this period. According to this theory, his career might have extended to the reign of Kumaragupta I (r. 414 – 455 CE), and possibly, to that of Skandagupta (r. 455 – 467 CE).
Kumārasambhava
Kumārasaṃbhavam () is an epic poem by Kālidāsa. The "Kumārasaṃbhavam" is widely regarded as one of Kālidāsa's finest works, a paradigmatic example of kāvya poetry. The style of description of spring set the standard for nature metaphors pervading many centuries of Indian literary tradition. "Kumarasambhava" basically talks about the birth of Kumara (Kārtikeya), the son of Shiva and Parvati. The period of composition is uncertain, although Kālidāsa is thought to have lived in the 5th century.