Dear Mr. Raj,
If the property is self acquired by your mother, she can gift the property to you without obtaining NOC or consent from your sisters, if the property is her ancestral or her husband i.e., your father property at that time your sister's are also entitled for the share in the property.
Regarding stamp duty of the gift deed you need to specify where the property is situated.
Feel free to contact me at any time.
Thanks and best regards
SR LAW ASSOCIATES
Advocates and Consultants
mobile : 9980198876
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