Other assets under Cost of Acquisition [Section 55] :
In the following cases, cost of acquisition shall not be nil, but will be deemed to be the cost for which the previous owner of the property acquired it:
Where the capital asset became the property of the assessee—
(1) On any distribution of assets on the total or partial partition of a Hindu undivided family.
(2) Under a gift or will.
(3) By succession, inheritance or devolution.
(4) On any distribution of assets on the liquidation of a company.
(5) Under a transfer to a revocable or an irrevocable trust.
(6) Under any such transfer referred to in sections 47(iv), (v), (vi), (via) or (viaa).
(7) Where the assessee is a Hindu undivided family, by the mode referred to in section 64(2).