Botanical name of mango is

The correct answer is Mangifera indica.

To understand why, let's look at the scientific classification (binomial nomenclature) of the mango plant:
1. Genus: The first part of the scientific name represents the genus to which the organism belongs. For mango, the genus is Mangifera.
2. Species: The second part of the scientific name is the specific epithet. For mango, the species is indica, which indicates its origin in the Indian subcontinent.
Combining these two gives the botanical name: $\mathrm{Mangifera}\mathrm{indica}$.

Let's briefly analyze the other options to understand what they represent:
- Solanum tuberosum is the botanical name for the potato.
- Solanum melongena is the botanical name for the brinjal (eggplant).
- Panthera leo is the zoological name for the lion.