PNC Infratech Ltd announced that Care Ratings has reaffirmed the credit rating for three of its subsidiaries, with ratings as follows: Hardoi Highways Pvt Ltd (Rs. 443 Crore, CARE A; Stable), Akkalkot Highways Pvt Ltd (Rs. 81.50 Crore, CARE A; Stable), and Sonauli Gorakhpur Highways Pvt Ltd (Rs. 75.70 Crore, CARE A; Stable).