1. First find out whether the Govt has acquired the land or not through RTI route. If your land has not been acquired by Govt., then it can not trespass in to your land and place the foundation stone,
2. If you find that your said land has not been acquired by the Govt., you can file a Writ Petition against the said illegal act of the Govt.,
3. If your land has been acquired by the Govt., you shall be compensated as per Govt rate. If the Govt. rate is far inadequate, you can file a Writ Petition seeking direction upon the Govt to pay compensation at reasonable rate.