In laws not refunding my money 2.51 Lac which initially given to them

My marriage almost completed 2 years in 2020 I'm Hindu Surname : Gupta SuLa.Last1 yrsi stay with parents .Husband don't want to live with me because of some misunderstanding happened in past 3 months. I used to do online chat with one of friends.I use to discuss allmy problems with him. That friend sent me very shameless message alike sex related.That friend use to sent his feelings related to sex with me. So that friend wife sent screen shot of that message to my husband's mobile no.To resolve this matter I went to theatre with that friend there he clicked photos .his wife saw all that photo then she sent to my husband mobile phone.Now my husband discussed all that issue along with his family members to my family and also with that two both husband wife .Then too hearing all that statement husband is not convinced he says he wants evidence about you both had not involved physically or intimated . As I don't have any proof to show them. I request to please suggest me.