a. All are endangered species of India.

b. All are keystone species.

c. All are mammals found in India.

d. All the species are neither threatened nor indigenous species of India

Answer: d. All the species are neither threatened nor indigenous species of India

Explanation: Species like Lantana, Eichhornia (water hyacinth) and African catfish (Clariusgariepinus) are exotic, invasive and also have a negative impact on the extinction of native species.