Illegally Trying To Take Possession Of Land By Making Bogus Documents

hi there was a civil dispute with a party and we won the case now the party by its power has managed the government officers and made bogus RTC and entered their names and have sold the property and now the party by its illegal papers are trying to grab the land by constructing shed and since the party is influential the police are not registering FIR .we won the case with the party and there is permanent stay on land so how to proceed further?? {we have filed EP against the party}