Who among the following rulers in ancient India had assumed the titles 'Mattavilasa', 'Vichitrachitta' and 'Gunabharata'?

The correct answer is A. Mahendravarman I.

Mahendravarman I, a 7th-century Pallava king, was known for his literary talent and artistic patronage. He adopted the titles ‘Mattavilasa’ (lover of playful sport), ‘Vichitrachitta’ (curious-minded or inventive), and ‘Gunabharata’ (full of virtues). He also authored the Sanskrit play Mattavilasa Prahasana, reflecting his cultural contributions.

The other rulers listed did not assume these titles.