Finance Minister Nirmala Sitharaman and Congress MP Adhir Ranjan Chowdhury sparred in Parliament Monday over allegations non-BJP state governments - specifically those in South India - are "deprived of their (financial) dues" and allocations, including those related to GST compensation. An incensed Ms Sitharaman hit back, explaining "devolution to states... happens as per Finance Commission recommendation", and that she had no "discretion" in allocation of tax revenues. She also slammed the allegations as a "politically-vitiated narrative" being spread by "vested interest groups".