Procedure for filing the partition suit in case of wrong division

We are staying in our my mother's family. The property belongs to my grand mother & her elder sister.our great grand father's monument is situated near by my home.grand mother' mother written the deed mentioned that the property should be used for the rituals for the monuments. But there are no rituals is conducting there.grand mother's eldest sisters died. We have given half of the property to monument. My grand mother was staying in the home after her death my mother and our family is staying in the home (around 70 years) the possession of the property is in our hand.my mother has one elder sister after her death her daughter demanding half of the property. After her request we allotted her share.but now she is not accepting to register the property to my mother. Can we file a case in court for partition suit or can you suggest any other option to register the property to my mother.the property is in our possession. Please suggest.