Who among the following received the Sangeet Natak Akademi Award of 2019 in the Kathakali classical dance category?

Correct option is C

The correct answer is (c) Kottakkal Nandakumaran Nair
In the 2019 Sangeet Natak Akademi Awards, the recipient of the award in the Kathakali classical dance category was Kottakkal Nandakumaran Nair. This award recognizes his contributions and excellence in the field of Kathakali, a major form of classical Indian dance from Kerala.