ICICI Bank has acquired nearly 18 per cent stake in Gammon Infrastructure Projects through invocation of pledged shares. "ICICI Bank Ltd (India) has acquired 168,999,900 shares of Gammon Infrastructure Projects Ltd through pledge invocation. Accordingly, at May 14 2018 the total equity shareholding of the Bank stands at 17.94 per cent," Gammon Infrastructure Projects said in a BSE filing today. Prior to acquisition, the ICICI Bank Ltd (India)'s holding in the Gammon Infrastructure Projects was nil, the filing added.