UPSC Prelims 2020 Art & Culture

With reference to the scholars/litterateurs of ancient India, consider the following statements:

1. Panini is associated with Pushyamitra Shunga.
2. Amarasimha is associated with Harshavardhana.
3. Kalidasa is associated with Chandra Gupta-II.

Which of the statements given above is/are correct?