Which of the following are features of the "Makal Nalavazhvu Kuzhu" (MNK) initiative in Tamil Nadu?
- Providing hygiene and sanitary products to adolescent girls.
- Functioning under the Integrated Child Development Services (ICDS).
- Focused on improving maternal and child health.
- Offering free diagnostic tests for school students.
1
Only 1 and 3
2
Only 2 and 4
3
Only 1, 2, and 3
4
All of the above