Bhopal: While the new Goods and Services Tax (GST) rates have come into effect from Monday, the Congress in Madhya Pradesh sharpened its attack on the Bharatiya Janata Party (BJP) by taking a veiled jibe of 'Gabbar Singh Tax'. "Congress would request the BJP government to make a provision for refund of GST (collected under old tax slabs) like in Income Tax Returns (ITR). Also, the government should help those who lost their businesses and people lost their jobs due to the "Gabbar Singh Tax"," he added. He also distributed copies of the GST resolution to the traders and address their queries and concerns related to GST. Besides the Madhya Pradesh government, state BJP unit will also organise similar campaigns in all districts and blocks.