My father had bought piece of agriculture land with his two younger brothers in his ancestral villag

My father had bought piece of agriculture land with his two younger brothers in his ancestral village. The purchase was done in year 1998. All three of them have equal share (1/3) in this piece of land. We live in New Delhi and we never had any direct control over this piece of land. It was all in good faith. My father is now old and we do not want to keep this land. He wishes to sell it and use the proceeds for something else. My father is asking them to either a) sell the land or b) buy his share or c) divide the land so that we can independently sell our share. But his brothers are not willing to do anything. We have got copy of Mutation Record and Jamabandi with us. These documents have my fathers name also as one of the joint holders in this property. My question is, if we approach the courts for division of land so that we get our part, a) Is this possible ? b) What procedure needs to be followed in this case? c) How much time legal process can take in such matters? d) God forbid, something happens to my father, what precautions should we take now so that his brothers can't deny my mother my father's share?