Explanation:

- The Child Labour (Prohibition and Regulation) Amendment Bill, 2012, was approved by the Union Cabinet in May 2015.

- The bill aimed to regulate child labor and ban children below a certain age from working in most sectors.

- The proposal allowed children to work only in family enterprises or the entertainment industry, but with strict conditions.

- The complete ban on employment applied to children below a certain age.

Option 1: Below 13 years

- Not applicable as the bill was not concerned with this age group.

Option 2: Below 14 years

- The bill prohibited employment of children below 14 years in all occupations except family enterprises and entertainment with conditions.

Option 3: Below 15 years

- Not relevant as the bill specifically cited age 14 as the limit.

Option 4: Below 16 years

- This was not the specific focus of the amendment.