GST compensation paid to states by the Centre has declined to over Rs 11,900 crore during August-September, an official said. The bi-monthly GST compensation paid during the June-July period was Rs 14,930 crore, nearly four-fold jump from Rs 3,899 crore paid in April and May. "Over Rs 11,900 crore has been released to the states from GST compensation fund during August-September after regular and ad-hoc settlement of IGST fund," an official told PTI.