Land encroached by neighbours

i its regarding our house we left some space outside our compound wall as it was not a straight line and planted some small plants in them our neighbours started their house remodelling and before we could realise they included that land in their property and erected a gate and dig a water tank also we complained in police and it was of no use so we filed a civil case in junior civil court an injunction they countered that they dont have original documents and submitted only xerox the thing is that my neighbour sied three months back and they didnt register property in anyone s name her husband is physically handicapped and in that disguise he is claimimg to be innocent and saying that he is using our lanx since 20 years but we bought our land and constructex our house 9 years ago and we filed suit in name of her husband and their only daughter as nominees my major question is though they dont jave original documents and we submitted ours 1 year back only why is court dragging this