Kotak Mahindra Bank — miscommunication

In kolkatta salt lake bank there is a staff name ishita nandy she cheated with me she take my sign in all blank forms after that without my knowledge and my permission she processe 2 health insurance after then when i ask how its happen with me she told her freind doing that and that time is really a very bad time for me becoz my daughter ruprekha chatterji she's not well for after that for my husband i got my money back becoz he also in a insurance company he fight for me.. There all staff they know all but when i'm alone no body help me when my husband came they will agree they r wrong..