rERDING GIFT GIVEN TO YOUR SISTER IN LAW, THERE IS NO TAX IMPLICATION IN YOUR CASE. Similarly, in case of gift to your daughter aged 19 years, there is no tax either in your case or in case of your daughter. Practically, no need for a gift deed. Simply show it in your tax return. If your daughter is getting taxable income she will need to file separate return as she is no more a minor.