| India Ratings and Research Private Limited |
www.indiaratings.co.in/Uploads/CriteriaReport/Financial%20Institutions%20Rating%20Criteria.pdf |
| CARE Ratings |
www.careratings.com/resources/rating-resources.aspx |
| Standard & Poor's Ratings Services |
www.standardandpoors.com/en_US/web/guest/article/-/view/sourceId/504352 |
| Moody's Investors Service |
www.moodys.com/research/Sovereign-Supranational-Rating-List--PBC_186519 |
| Fitch Ratings Inc |
www.fitchratings.com/site/fitch-home/definitions |