The great Epics namely, Kumara Sambhavam and Raghuvansham are written by-

a) is correct. Kalidasa was a famous poet of Ancient India. He wrote several epics, including Kumara Sambhavam and Raghuvansham.

b) is incorrect. Kautilya wrote the famous book on war and politics, called Arthashastra.

c) is incorrect. Bhairavi is credited with the composition of ‘Kiratarjuniyam’.

d) is incorrect. The most famous epic was Vishakha Datta is ‘Mudrarakshasa’