1. If you are one of the joint owners of the property having right on the area where you desire to construct the said toilet, then first get the plan for the said construction sanctioned by the local municipality/corporation,
2. After that file a police complaint against those who are resisting your said construction of toilet,
3. After that file a suit for declaration that you are the owner of the area where you wish to construct the said toilet,
4.Then simultaneously file an application praying for an order restraining those who resisted your said construction of toilet duly enclosing the copy of the police complaint as an evidence that those people have restrained your said construction,
5. Post the copy of the order to police seeking their help in case you get any further resistance in constructing the said toilet.