CCI is investigating the trustee units of State Bank of India, Axis Bank, and IDBI Bank for suspected collusion on fees, triggering a lawsuit by a group representing them, documents seen by Reuters showed.

Indian regulations mandate that companies raising debt appoint a so-called "debenture trustee" to protect the interests of investors. The trustees charge a fee from the companies issuing the debt and make independent due-diligence checks on them.

For more, Click here