The move follows searches conducted by the agency last month at around 35 locations in Delhi-NCR, Mumbai, and Nagpur as part of its money laundering probe
Congress leader Sanjay Nirupam said the government must order a probe into the findings of Ernst and Young's audit report into the insolvency of Amtek Auto.
Three of Amtek group companies, including Castex Technologies, Amtek Ring Gears and Metalyst Forgings are each undergoing separate insolvency resolution process
Amtek Auto (Rs 24.95), Metalyst Forgings (Rs 30.50), JMT Auto (Rs 4.96) and Castex Technologies (Rs 4.57) have locked in upper circuit of 5% on the BSE.
Amtek Auto, Castex Technologies and Metalyst Forgings were up in the range of 10% to 20%.
Amtek Auto, Metalyst Forgings and Castex Technologies were down upto 20% in intra-day trade.