1. Yes, she can sell the said property legally to anybody she wishes to,
2. Since, she is of advance age, it will be prudent on her part or on the part of the buyer to get a medical practitioner to sign the sale dee as an witness,
3. This is to counter any claim in future that she, being of advance age and not in sound mind, was not aware as to what she was doing for which the said Sale Deed should be cancelled,
4. A doctors witness to te will will automatically give evidence that she was in her full mind and understanding while she had signed the said Sale Deed.