criminal or bigamy case

Hello sir.plz help me. My father got divorce under expire degree in 2003.he got a divorse in wrong route.he changed my mother address on petition .my mother didnot got notices.thatway he got divorce in 2003.and he got another marriage. My mother knew this matter in 2004.and filed a case against divorce.court has cacelled divorce and dismissed my father's petition in 2005.now he got 2 child (girls) with second wife and the age is 9yr and 10yr.my age is 26 and sister age is 24. He is a govt employee. He dont want to give any property or money. Now we want to file a criminal case with wrong way his marriage. 1.this is eligible case or not ? 2.which petiton can we file on him? 3.how much time to take this to finish the total case ? Plzzz plzzzz help me in this critical situation Thanku all