Which one of the following statements is not correct?

Which one of the following statements is not correct?

Pavo cristatus is the national bird of India.
Nelumbo nucifera Gaertn is the national flower of India.
Ficus benghalensis is the national tree of India.
Mangifera indica is the national animal of India.
This question was previously asked in
UPSC CDS-1 – 2017
The statement “Mangifera indica is the national animal of India” is not correct.
Mangifera indica is the botanical name for the Mango tree, and Mango is the national fruit of India. The national animal of India is the Royal Bengal Tiger (Panthera tigris).
Pavo cristatus (Indian Peafowl) is the national bird. Nelumbo nucifera Gaertn (Lotus) is the national flower. Ficus benghalensis (Banyan) is the national tree. These are correctly matched in options A, B, and C.