Which donors' gifts are exempt?
There is exemption for gifts received from certain people. The gifts that one receives from relatives on the occasion of marriage, the gifts receives from parents and grand parents, the gift received by a daughter-in-law from her parents-in-law, and gifts received by way of a will and inheritance are exempt.
The gifts received by a son-in-law from his parent-in-law will be taxed.
A Non-Resident Indian can gift to his/her parents in India from their NRE (Non-Resident External) account without their parents suffering any tax.