Exhibit 24(b)(10) – Consent of Ernst and Young LLP, Independent Registered Public

Accounting Firm

We consent to the reference to our firm under the caption “Experts” in Post-Effective

Amendment No. 31 to the Registration Statement (Form N-4, No. 033-75980) of Variable

Annuity Account C of Voya Retirement Insurance and Annuity Company, and to the use

therein of our reports dated (a) March 27, 2015, with respect to the consolidated financial

statements of Voya Retirement Insurance and Annuity Company and (b) April 9, 2015, with

respect to the financial statements of Variable Annuity Account C of Voya Retirement

Insurance and Annuity Company.

/s/ Ernst & Young LLP

Atlanta, Georgia

April 22, 2015