Sterlite Technologies Limiteds credit ratings have been downgraded by ICRA, with long-term ratings for total bank loan facilities of Rs. 4475 Crore revised to [ICRA]AA- (Stable) from [ICRA]AA (Negative), while short-term ratings and 25.15 million euros bank limits were also downgraded to [ICRA]AA- (Stable). The Rs. 500 Crore Commercial Paper rating remains at ICRA A1+.