The concept of concurrent list in the Indian Constitution is borrowed from the Constitution of Australia. This is an important feature of the Indian Constitution that divides the power between the Union and the States. Let's understand this in detail.

Concurrent List:
The concurrent list contains subjects on which both the Union and the State can make laws. The subjects in the concurrent list are mentioned in the 7th Schedule of the Indian Constitution. This list was incorporated to prevent any conflict between the Union and the State, as it was seen in the past that such conflicts often led to political instability.

Borrowed from the Australian Constitution:
The Indian Constitution was framed by the Constituent Assembly, which took inspiration from various sources. The concept of a concurrent list was borrowed from the Constitution of Australia. The Australian Constitution also has a concurrent list that allows both the federal and state governments to make laws on certain matters.

Other countries with Concurrent List:
Apart from India and Australia, there are other countries that have a concurrent list in their constitution. These countries include Canada, Malaysia, and Nepal.

Significance of Concurrent List:
The concurrent list provides a sense of autonomy to the States while keeping them integrated with the Union. It allows both the Union and the States to exercise their powers on certain matters, and any conflict that may arise can be resolved through the judiciary. This feature of the Indian Constitution has helped in maintaining the federal structure of the country and has prevented any major conflict between the Union and the States.

Conclusion:
In conclusion, the concept of concurrent list in the Indian Constitution is borrowed from the Constitution of Australia. This feature has helped in maintaining the federal structure of the country and has allowed both the Union and the States to exercise their powers on certain matters.