1) As ur wife filed false cases ur also going to counter file othr case this will not solve ur problem. It will increase it.
2) To avoid this physical and mental torture to both of u need concilation session for finding problems of ur solution. It will also svae ur valuable time, money.
3) Having two voter ID at different place and voting in different places is crime. U can file case to ur district collector for false voting by same person at two different place.
4) File writ petition at High court and pray for with drwal of all cases. To solve ur problem.