Partition Suit after Sale Deed

I have two brothers and One sister. My mother divided the shares amongst us after my father's demise. My mother got 0-1-4, I and my sister got 0-1-4 and my two brothers got 0-2-2 in the year 1993. In 1995, my sister sold me the property legally. In 2004, my old brother sold the property to my husband and in 2006 my younger brother sold the property to my husband but registration was done for his property in 2010, all of them sold their properties due to their financial reasons. In 2012, my younger brother filed a case on my husband that he acquired the property by fraud but lost the case. In 2018, my husband passed away and my mother and other siblings started forcing me to give the property back to them in the old price in which they have purchased it but I refused it. Now in 2024, my mother filed the case on me that the partition done in 1993 is void as the Muslim law allows only half of the property to be distributed to daughters as compared to sons. She also states that partition was forced by me and my husband and during partition all of us including my brother and sister agreed to take care of her but apart from her younger son nobody take care of her and I and my late husband have cheated everyone and transferred the property by fraud on our name so the sale is not valid. Now she demands all the property back. I am truly broken by the behaviour because no condition was put forward during partition and we legally brought all the property with proper documentations. Please guide that even if the partition was not according to Muslim law now the whole property is brought by me legally. Can they take the property back? I would appreciate your answer. Thank you