Consider the following statements about the Anaemia Mukt Bharat Strategy:

1. Under the strategy, beneficiaries are provided calcium supplementation as the primary intervention to correct anaemia.

2. The strategy includes a delayed cord clamping campaign at childbirth, to improve iron stores in newborns.

3. Periodic deworming of children and adolescents is one of the interventions under the strategy.

4. The strategy also addresses non-nutritional causes of anaemia, such as malaria and haemoglobinopathies, in high-burden areas.

How many of the statements given above are correct?