In the context of malnutrition, `Tikki Mausi` is a mascot. A mascot is a character or symbol used to represent a specific cause or organization. In the case of malnutrition, `Tikki Mausi` is a fictional character created to raise awareness about the issue and promote proper nutrition.

Option 1 suggests that `Tikki Mausi` is a specially packaged food item, but this is not accurate. A mascot is a separate entity from food products.

Option 3 suggests that `Tikki Mausi` is the name of a scheme, but this is also incorrect. A scheme refers to a specific plan or program, whereas `Tikki Mausi` is a character.

Option 4 suggests that `Tikki Mausi` is the name given to healthcare providers. This is not accurate, as healthcare providers are typically referred to by their professional titles, such as doctors or nurses.

Therefore, the correct answer is option 2, `Tikki Mausi` is a mascot.