Explanation:

- GST, or Goods and Services Tax, is a significant source of revenue for Indian states, reflecting economic activity and compliance rates.

- Different states have varying economic activities contributing to their GST collections.

- Gujarat has substantial industrial activity, particularly in chemicals and textiles, boosting its GST revenues.

- Punjab's GST collections are smaller, with the state's economy relying heavily on agriculture.

- Karnataka, with major IT and manufacturing hubs, sees strong GST income, but it typically ranks below Maharashtra.

- Maharashtra is a leading state in terms of economic output, often recording the highest GST revenue due to its diverse industrial and service sectors.