IRB Infrastructure Developers said it has raised Rs 150 crore through allotment of NCDs on a private placement basis. “This is to inform you that the management administration and share transfer committee of the board of directors of the company…has allotted 9.55 per cent secured, redeemable, listed, rated non-convertible debentures (NCDs) of face value of Rs 10 lakh each, for cash at par, aggregating to Rs 150 crore on a private placement basis to an eligible investor,” the company said in a BSE filing.