India Ratings & Research affirmed Canara Bank's Issuer Rating, Infrastructure Bonds (INR 10,000 Cr), and Basel III Tier 2 Instruments (INR 9,500 Cr) at 'IND AAA/Stable'. New Basel III AT1 Bonds (INR 4,500 Cr) were assigned 'IND AA+/Stable', with existing AT1 Bonds (INR 12,000 Cr) reaffirmed at the same rating, all with a 'Stable' outlook. Ratings reflect the bank's systemic importance and government support.