How to Stop Sale of Land ?

We are seeking urgent help to STOP SALE OF OUR LAND with concerned authorities as we will be forced to become homeless if our land is sold. Our father Mr. Deb Narayan Sharma having who divorced our mother, Geeta Sharma and now wants to sale our decades old land and flee away making all of us homeless forever. We are four children (all major) from our parents and our father does not wants to give us any share in his property which was purchased by his mother Mrs. Kulapati Sharma who is no more alive now. Deb Narayan Sharma wants to destroy us by making us homeless by selling ancestral property. He has become an enemy for us. The land is registered in his name which was purchased by his mother. Please HELP us by stopping this sale of land at any cost for us which is the only hope for us to live. As per our divorce conditions and family court ruling, he has to provide us accommodation to our stay if he sells the property. He does not want to give us any rupee. The court also asked to pay 3000 per person to my mother and two daughters which have not been given to us which has been years now. He is having links with gangsters and repeated warns us to have devastating consequences (Harming us physically & killing us). He has paid to Local police station officials who helps him. We do not want any more court cases as we have gone through seven years of mental torture in court cases already. Please HELP us by stopping this sale of land at any cost for us which is the only hope for us to live. We hope our plea is heard and some action is taken to bring our family some peace and much needed protection. 1. How we can stop the sale of land ? 2. What to do for the warning us to kill us ? 3. What should be our next step in line with our rights & safety ? 4. Does not children have rights in the property of father ?