Exhibit 23(a)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Post-Effective Amendment
No. 7 to Registration Statement No. 333-100068 of Allstate Life Insurance
Company (the "Company"), on Form S-3 of our report dated March 13, 2008, (which
report expresses an unqualified opinion and includes an explanatory paragraph
relating to a change in method of accounting for uncertainty in income taxes
and accounting for deferred acquisition costs associated with internal
replacements in 2007), relating to the consolidated financial statements and
financial statement schedules of the Company, appearing in the Annual Report on
Form 10-K of the Company for the year ended December 31, 2007, and our report
dated March 25, 2008 relating to the financial statements of the sub-accounts
comprising Allstate Financial Advisors Separate Account I included in the
Statements of Additional Information included in Registration Statements No.
333-114560, 333-114561, 333-114562, 333-102934.

                                                  /s/ DELOITTE & TOUCHE LLP

                                                  Chicago, Illinois
                                                  April 25, 2008