illegal parking in residental area

sir we are liveing in kamalapuri colony pase 3 near sagar socity it will came near banjarahills rode no 2 here in our colony black side they are ap cenima drivers association they have nearly 100 big big shooting van and car ect they are parking illegally here from 15years how it is going on from these many years with out support i don’t no? We are seeing hell here very day on one is there to ask these people we complanted to police and traffic police but also no use they are parking as same again here as same in our colony black side indira nagar is their here some people at night came drinkon roads shamlessly as we asked them what is this they are telling ther are leaders of that area even teen childen also smoke here here by ghmc in sagar socity park was going no but some one from indira nagar leaders stoped and made case on it i request please slove our prolem as soom as possible ghmc shoud make penalty against them for illegal parking from 15 years and book case on them please any responsible officer shoud slove our problem