Builder Issue

We as society are facing below issues from Builder Project start date 04.01.2013 ,project end date 31.03.2018,project status -Ongoing Issues- 1)Society constitution was formed without involving society members ,one signatory was builder as developer, one his accountant, one resident & one non resident on 01st May 2017 2) Only one meeting was called up by builder in June 2018 about association being formed without sharing any agenda or declaring the constitution or any other details 3) Society maintenance amount was used by his accountant for Repair & maintenance work judiciously from Jan 18 onwards retrospective till date without informing any one (first meeting date as June 18) . 4) Parallely construction work was ongoing & entire fund was managed by his accountant & paying from society account 5) Many commitments were not honoured till date with their lackadaisical attitude. 6) Few residents house starting cracking from ceiling tom sides in 2019 & builder broke the junction point of 2 attached houses for structural stability ( this was done) at 3 places .What about structural stabilty of other constructed houses in future ( 68 bunglows) 7) Many more issues to be discussed