1) file police complaint against your husband under section 67 , 67A of IT act for transmitting your pictures to several men , for doing sex chats under your name
2) “Section 67 of the Information Technology Act, 2000 specifically prohibits, transmission or publication of obscene material in electronic form”
“Section 67A of the Information Technology Act, 2000 prohibits transmission or publication of material containing sexually explicit act in electronic form”
3) file for divorce on grounds of mental cruelty and seek sole custody of child
4) mention about your husband transmitting your and daughter pictures to his friends