Grand father property

We hv property of my grand father and i hv four uncles . my father and one uncle we both built a home on the said property some 27 years back. other uncles put the condition to put steel column and strong foundation so that they can construct thier home on our existing home when they wish. we did as they said but til date they hv not constructed thier home. now the property rate is high. they are telling us to sell the entire property with two existing home, one of my father, other another uncle, to sell at the market rate and share the money equally. point is there are all well off and hv good home and money in metros and financially well. my self, now my father no more, i am satying with my mom and wife, children. we dont hv any extra home and neither so rich to buy another home from the amount what we get from selling the present property. can i expect compensation from my uncles who wish to sell the property against our wish.? if so what is the compensation pro passionately to the current market rate agaisnst the present home of ours of 1150 sq feet rcc built up ,27 years back. thank you for the replies.....