Under the Act, the following are the three main modes of collecting taxes:
(1) Payment by deduction of tax at source;
(II) Direct payment of tax:
(a) Advance payment of tax,
(b) Payment as a result of self-assessment under Section 1 40A,
(c) Payment as a result of regular assessment under Section 143 or Section 144, and
(d) Payment in any other special manner.
(III) Collection of income tax u/s 206C.