Encroachment on Gair Mumkin Johad

After independence Khasra No 976 of Pilani , Dist , Jhunjhunu , Rajasthan was a govt land with land type was Gair mumkin Johad . In 1965 Sitaram Bhandar a society of Capitals Sudarshan Kumar Birla came up with a fake patta which was said to be issued by Nawalgarh & Mukundgarh jagirdar just before independence & approached ACM/SDO Chirawa to declare their name as khatedar in the aforesaid land . In the above fake patta there was a clear condition that the land cannot be used in residential , commercial use & xan inly be used in public interest only . The ACM/SDO passed order to give khatedari right to Sitaram Bahandar with conditions mentioned in the patta . Few people encroached on this land & later both partied compromised a obtained a decree from the MJM court . With this decree the encroacher approached municipality & registered his property & obtained Property Ownership Certificate . Now the above enchrocher had sold this land & commercial Multicomplex has been built without any permission form municipality . The jamabandi of this land is still showing , Sitaram Bhandar , kism gair mumkin johad . The district administration is not taking any action against the encroachers . Plz direct me How get this johad land free from encroachment .