The Centre has released a compensation of Rs 10,806 crore to states for July and August. A compensation of Rs 13,695 crore for September and October is being released, it added.
"The states' revenues have been fully protected taking base year revenue as 2015-16 and providing a projected revenue growth rate of 14 per cent," the ministry said.
As per data available, GST collections in the maiden month of July was over Rs 95,000 crore while in August, the figure was over Rs 91,000 crore. In September, it was over Rs 92,150 crore.
October is the fourth month of GST rollout.
Explaining the downward trend in tax revenue under GST, the ministry said initially Integrated GST was paid on transfer of goods from one state to another.
"As and when the final transaction of these goods takes place, the credit for IGST is being utilised for payment of SGST and CGST and therefore, the inflow of new taxes is low," it said.
Also, since the overall incidence of taxes on most of the commodities has come down under GST, it would naturally have some implication on the revenues of the government, the ministry said.
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