Agriculture land in rural area is not asset no capital gain shall be applicable on same. 

No upto three years If you invest the same then no capital gain tax

the entire tax exemption will be reversed if the new property is sold within three years of purchase 

If you sell a property within 36 months of buying it, the profit is added to your income for that year, and taxed as per your income tax slab rate. 

You have to pay capital tax as per ready recknor Index calculator, so need to know date of purchase and price and selling date and price. So will be able to provide you exact captain gain tax or straight forward you can reinvest in real estate or in bonds.

spending the capital gains in the treatment of your husband will not give you the benefit of exemption from levy of capital gains tax

the capital gains are required to be invested only in specified assets as mentioned in the relevant section of the IT Act

however the money that you may have to spend for your husband's treatment can be claimed as a deduction from either your income or his income

Yes there won't be any capital gain.

See there is no tax liability on sale of agricultural land you don't neet to transfer and then sell.

However, agricultural land in a rural area in India is not considered a Capital Asset. So, no capital gains are applicable on its sale. 

2)once gift deed is executed duly stamped and registered she would be absolute owner of property she can sell the property 

Dear Clietn,

An asset held for a period of 36 months or less is a short-term capital asset. No exemption.

Agricultural land in rural India dose not comes under the category of capital asset:

You need to pay taxes whatever is applicable to you. Even if you transfer that to daughter she has to pay applicable taxes as per her income returns

Generally, agricultural land is not considered a capital asset and, therefore, its sale does not attract capital gains tax.

Agricultural land in Rural Area in India is not considered a capital asset. Therefore any gains from its sale are not taxable under the head Capital Gains. 

Since your lad was situated 15 kms away from town, it can be classified as rural area hence there is no capital gains on it and you are exempted from it.

you can proceed. 

Agricultural land in Rural Area in India is not considered a capital asset. Therefore any gains from its sale are not taxable under the head Capital Gains. 

Conditions you need to meet Under Section 54B for claiming exemption from Capital Gains

• The exemption is available to an Individual or a HUF.
• The land which is being sold must have been used for agricultural purposes by the individual or his parents or by the HUF for a period of 2 years immediately before the date of transfer.
• Another land for the agricultural purpose should be purchased within a period of 2 years from the date of transfer of this land.
• The new agricultural land which is purchased to claim capital gains exemption should not be sold within a period of 3 years from the date of its purchase.

Agricultural land in Rural Area in India is not considered a capital asset. Therefore any gains from its sale are not taxable under the head Capital Gains. 

Conditions you need to meet Under Section 54B for claiming exemption from Capital Gains

• The exemption is available to an Individual or a HUF.
• The land which is being sold must have been used for agricultural purposes by the individual or his parents or by the HUF for a period of 2 years immediately before the date of transfer.
• Another land for the agricultural purpose should be purchased within a period of 2 years from the date of transfer of this land.
• The new agricultural land which is purchased to claim capital gains exemption should not be sold within a period of 3 years from the date of its purchase.

Dear madam

The agriculture land in rural area doesn't come under the assets of a person and its sale will not attract any kind of capital gain tax. So you can sell the land and use the consideration for treatment of your husband.