In a statement here, Goa Congress chief Shantaram Naik said the GST Council had caused a "notional" loss of Rs 20,000 crore to the central and states' exchequer.
"The CBI should, suo motu, investigate into the matter of initial fixation of exorbitant rates by the GST Council and now causing approximately Rs 20,000 crore loss to the Centre and states," he said.
The Central agency should start criminal proceedings against those responsible for the loss, Naik said.
The Congress leader said the Rs 20,000 crore loss may be "notional" but the damage caused to the Centre and state governments is real.
More From This Section
"Modi gave false assurances to the nationand created a false economic picture. He is now reversing his major decisions," he said.
Naik said although the GST was originally the UPA's "baby", "irrational exorbitant rates" were not decided upon then.
Meanwhile, Chief Minister Manohar Parrikar hailed the GST Council's decision yesterday to lower taxes on a large number of items.
The powerful council, headed by Finance Minister Arun Jaitley, is a joint forum of the Centre and the states.