more than one flat buyers can file complaint before district consumer forum ?
Builder acquired land through development agreement and power of attorney in the year 2002, against that builder gave owner of land and his legal heirs one flat each and old rent holder of that land made a separate agreement with builder. after that in the December 2009 builder gave possession of flat to the owners as well as old rent holders through Agreement which is registered in different dates before 2009. After 2009 buyers of flat meet to builder many times for compete the incomplete work of building but builder can gave oral assurance but not taking a single step till today. But builder till today not taking completion certificate and not provide a lift as well as plaster of one side of building was not made by builder. for the quotation of different work which is not done by the builder was not more than Rs. 13,00,000/- and for mental harassment, physical harassment and financial loss for repairing and for inconvenience with interest we send notice to the builder with claim of Rs. 19,50,000/-.
can more than one flat buyers not below the 8 can file complaint before the district consumer forum ?
If not then complaint where to file complaint and It is necessary to file a delay con-donation application ?