Section 100 — Liability of person in respect of income included in income of another person

Where, income of a person, other than the assessee, arising from any
asset, or income from membership of a firm, is included in the total income of
the assessee under this Chapter or under section 25(a), then, irrespective of anything
to the contrary contained in any other law in force,—
( a) such person, in whose name such asset stands, or who is a member of the
firm, shall be liable to pay, that portion of the tax levied on the assessee
which is attributable to the income so included, upon service of notice
of demand by the Assessing Officer in this behalf;
( b) where any such asset is held jointly by more than one person, they shall
be jointly and severally liable to pay such tax; and
( c) the provisions of Chapter XIX-D shall apply accordingly.