New Delhi, Nov. 25 -- After slashing goods and services tax (GST) rates in September, the Centre and states are now gearing up to fix the tax system's next fault line-inverted duty structures, according to two persons aware of discussions in the government.

Inverted duties refer to situations where raw materials are taxed more than the final product, skewing prices, straining working capital, and pulling businesses into protracted refund battles.

Some inverted tax structures were fixed at the earlier 3 September GST Council meeting-when the tax rate on several goods including fertilizers, textiles and bicycles was lowered.

Now, the GST Council has set its eyes upon correcting the anomaly in other industries as well, including select ra...