Explanation:

Mangifera indica

The generic name refers to the first part of a binomial. The binomial name is comprised of the generic name and the specific epithet. Accordingly, the generic name is the genus of the species and is written by starting with a capitalized letter. As the binomial name of mango is 'Mangifera indica' where 'Mangifera' represents genus, hence it is the generic name and 'indie' represents specific epithet.
So, the correct option is 'Mangifera'.