TURNOVER OF CONSULTING BUSINESS

My friend is a P.F and E.S.I consultant. He is practicing in P.F and ESI for many industries. The Clients have been deposited the Statutory dues to my friend's bank account and he paid them through his bank account on behalf of them. At the end of year my friend's bank transactions crosses Rupees Two Crore (Rs.2 crore). But his actual income for the year is Rs.4,50,000. My query is how to disclose his income for tax filing? If I disclose only Rs.4,50,000, will he receive any notice from I.T dept for his bank transactions? please clear my query