trespassing property done by few people with the help of police

I own a house in Hyderabad, earlier it was lease and at present it is vacant. i am staying out of India in UAE and only caretaker and watchman are in the building for 24 hours. I came to know from my watchman few rowdy shelters entered my property with court belief and area police and threaten my watchman to vacate the property and throw their belongings and after throwing him out they lock the door and left without producing any legal document by belief i send my relative to concern belief to find out the facts and get the copy of case documents on the basis of beleif executed court orde