1) you are entitled to return of your streedhan and car given at time of marriage .
2) since your father in law is willing to return said items as per list given by you accept the offer .
3) 498A cases / DV cases take around 5 years to be disposed of .
4) you should agree for divorce by mutual consent and accept a lump sum amount as alimony depending upon your husband income
5) you are not entitled to return of your marriage expenses
6) if you dont want divorce then you can in DV case claim compensation for mental torture undergone by you and also alternative accommodation and maintenance