Credit rating assigned to Chennai Petroleum Corporation Ltd., for various debt instruments by rating agencies are given below :
| FACILITY / INSTRUMENT | स्तर निर्धारक संस्था | रेटिंग | आउटलुक | Amount (Rs.Crore) | Name of Lender |
| Cash Credit& | CRISIL | AAA | STABLE | 3000 | State Bank of India |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 525 | ICICI Bank Limited |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 500 | HDFC Bank Limited |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 500 | Punjab National Bank |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 1000 | Bank of India |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 1475 | Indian Bank |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 475 | IndusInd Bank Limited |
| Fund-Based Facilities | CRISIL | AAA | STABLE | 300 | The South Indian Bank Limited |
| Letter of credit & Bank Guarantee | CRISIL | A1+ | 184 | State Bank of India | |
| Letter of credit & Bank Guarantee | CRISIL | A1+ | 25 | IndusInd Bank Limited | |
| Proposed Long Term Bank Loan Facility | CRISIL | AAA | STABLE | 0.9 | Not Applicable |
| COMMERCIAL PAPERS | CRISIL & ICRA | A1+ | 7500 |
*Full interchangeability with packing credit
Rating Rationale Link
CRISIL I Rating
CRISIL II Rating
CRISIL III Rating
ICRA Report