section 194h of income tax act

if any person is filling an ITR and earning commission which is recived after tds and also earning by teaching in college..
but commission income is not reflecting any entry in the bank account and also tds has been deducted by the deductor...
only income from college from teaching is shown in the bank account...
query is it is possible to give commission in cash although total amount paid during the year is 260000..
even such tds amount deducted is shown in 26as.. but no transaction in the bank account...there is no proof where such about of commission has been credited...
how to show all these amount in ITR of individual...