Long term rating (Rs 800 crore) - CARE A- (Stable); downgraded from CARE A Negative Non convertible debentures (Rs 500 crore) - CARE A- (Stable); downgraded from CARE A Negative Non convertible debentures (Rs 200 crore) - CARE A- (Stable); downgraded from CARE A Negative Commercial paper (Rs 100 crore) - CARE A2+; downgraded from CARE A1