Adani group stocks faced heavy drubbing during the morning trade on Thursday, with the combined market valuation of all the listed firms getting eroded by Rs 2.45 lakh crore, as billionaire Gautam Adani has been charged by US prosecutors over his role in an alleged years-long scheme to pay USD 250 million bribe to Indian officials in exchange for favourable terms for solar power contracts. The stock of the group's flagship firm Adani Enterprises plunged 22.99 per cent, Adani Ports dived 20 per cent, Adani Energy Solutions tanked 20 per cent, Adani Green Energy plummeted 19.53 per cent and Adani Total Gas tumbled 18.14 per cent on the BSE. Shares of Adani Power slumped 17.79 per cent, Ambuja Cements cracked 17.59 per cent, ACC fell 14.54 per cent, NDTV dropped 14.37 per cent and Adani Wilmar declined 10 per cent. Some of the group firms also hit their lowest trading permissible limit for the day. The combined market capitalisation (mcap) of all the ten listed group firms eroded by R