Audit is a procedure of closely monitoring the accounting information provided in a company's financial statements. Assurance, on the other hand, involves assessing and analyzing different operations, processes, and procedures.
Examples may include financial, performance, compliance, system security, and due diligence engagements.
Audits: FINANCIAL AUDITS address questions of accounting and reporting of financial transactions, including commitments, authorizations, and receipt and disbursement of funds.
And I want to add some additional information that I recently hired Habibullah & Co. for audit related services as I heard that they are the best Audit Company in India, And they really are they have took control of everything in a systematic way.