Property

My father was police officer he died in Jan 2023 after his 5 year retirement when he was in his service he brought the property on my mother name after my dad death my mother gave only property was home its duplex and single floor house its rent base was ground floor house now she have given gift deed to this 1st son duplex house and top open tares to 2nd child and kept single house to her self if i ask she says its in my name i can do anything so what should i do now my mom is uneducated but she is well she has no issue in her body now she is taking pension of my dad and rent for ground floor and has some fix FD she will get some interest but in open tares in have put some birds and animals over there in shed but she has declared there is a house that belongs to her 2nd child now they are saying get out of the house it belongs to us if i ask the property than say we will not give u even my mom says that to get out i am married its been 8 year i don't have children so what should i do now my brother was in abroad after my dad death he just come from there and left the job in abroad he is staying here only now after the gift deed he is forcing me to live the home form past 12 years i was looking after the family i was business man after covid i was loss in my business now i am doing some small business and looking after me but i don't no how to deal with then to the property but i have not left home still i am in position what should i do now