Having a physical relationship before marriage can be a ground to divorce

Before getting married to my husband I told that I had a toxic relationship later my husband & I got love marriage after getting married with in 5 days my husband saw some of the hotel transactions with ex boyfriend which was before 2 years although I have no connection with ex- boyfriend while I was in relationship with my husband Even though my husband used to beat me on bear body & used to mental torture me with words emotionally & physically , as we were working in different cities I have resigned the job & stayed with my husband he himself said that to resign job & stay with me I'll take care of you I won't beat u but within 2 days he have started same & with in 1 month I got conceived & during pregnancy phase also he used to beat me daily & during the 9th month starting he have asked me for divorce after giving birth to a baby boy I came to my parents home for postpartum recovery with in 5 days of delivery he have blocked me from calls & msgs not even taking care of baby & I actually don't want to go for divorce I want my husband to stay with me since he met me I used to not talk with any boy I was very sincere to him