My husband forcing for divorce please help

We got married 9 years back we have two kids age 8 and 3 son and daughter. we stay in US from last 7 years suddenly my father got ill and i had to go india this may .My husband has some visa issues so he couldnt come. i was there for 8 weeks i came back here in july there is drastic change in my husband behaviour he is avoiding me from the day i landed i asked him we had lil argument he started saying i want to end this marriage bcoz im not connected to you emotionally. now he is forcing me to go to india . i was shocked i couldt belive what i was listening i begged him about me and kids still he is so stubborn he is always on his phone so i checked his whatsapp is filled with my best friends messages and calls they were intense she stays opposite to our house shes too married. both backstabbed me . he cleared all messages and logs and saying you dont have any proof what can you do about it . im devasted scared of loosing him i love him very badly he was really nice person before Please help me out .