Resident welfare association

My appartment is not registered under societies act, but here with mutual understanding they form committe, now the self proclaim secretary , president and treasurer are doing money swindling of appartment maintainence and there is a lawyer in them include.... the building built in 2007... since then till 2013 no accountability of maintenance, the old treasurer sold house and left... everyone is like he knows I dont know.... then me and my family chosen as treasurer for committee we didnt know much, but sincerely collected and kept in appartment bank account... but slowly we realize that lots of money is being stolen.... later we understood... then again committee change....again money swindling started... i even shout with now secretary and treasurer but they refuse to change....the president who is in UAE...giving instructions to them.... and they are waiting for him...then only they will do meeting..... they badly treated me when I started shouting for not accepting as owner of 2 flats.... even the president owns 2 flats ....he is the one takes all decision without asking and money swindling..... what do I do....I thought stopping maintenance but I dont want to be a defaulter... what to do.... they are very cunning