Explanation:

- The International Day of the Girl Child is celebrated yearly to highlight issues concerning the gender inequality faced by girls worldwide.

- Option 1: 15 March

- This date is not associated with the International Day of the Girl Child. It marks the World Consumer Rights Day.

- Option 2: 19 December

- This date is not related to the celebration of the International Day of the Girl Child. It is recognized as the United Nations Day for South-South Cooperation.

- Option 3: 25 January

- This date is not linked with the International Day of the Girl Child. Instead, it is observed as National Voters' Day in India.

- Option 4: 11 October

- This is the correct date for the International Day of the Girl Child. The day aims to promote girls' rights and address the challenges they face.