Child Custody of 2 year old and child Maintenance

I'm married for 10 years and separated since a year and few months now. In that marriage, I was thrown out of the house by my in-laws and husband more than thrice. My husband would come and take me back and then throw me out of the house again on some or the other misunderstanding. Husband never wanted kids and had been postponing since the start of marriage. Our son was born after 9 years of marriage through an IUI. Natural birth was not possible as my husbands semen morphology was 98% damaged and I also had low AMH levels due to excessive stress all throughout matrimony. Husband agreed to have to kids only if I took care of all the finances of the treatment including child birth, also if something happens to me during this course, the responsibility should be of my parents. I agreed to these 2 conditions because i wanted kids. During my maternity leave, due to a misunderstanding , husband sent an email asking for mutual separation. I tried and waited for reconciliation, which he and