Section 3:-
Previous year defined.
For the purposes of this Act, "previous year"
means the financial year immediately preceding the Assessment year.
It means if a business is started in F.Y.13-14
& as per the Act the assessee filed a Income Tax Return for the F.Y.13-14
in the A.Y.14-15.It means a period which is the source of income comes into
existence and ending with the said financial year ie.here13-14 is a previous
year of the A.Y.14-15.
Section 4:-
Charge of income-tax.
Where any Central Act enacts that income-tax
shall be charged for any assessment year at any rate or rates, for the total
income of the previous year of every person.
Section
5:-Scope of total income
The
total income of any previous year of a person who is a resident includes all
income from whatever source derived which is received or is deemed to be
received in India
The total income of a person who is a resident
of India the income which has been included in the total income of a person on
the basis that it has accrued or arisen or is deemed to have accrued or arisen
to him shall not again be so included on the basis that it is received or
deemed to be received by him in India.