Divorce and sole rights on my children

Sir/Madam, I am Shilpa, at present I am staying in USA with my husband and I have two children(girls) aged 9yrs and 5yrs who were born in USA. Now, I am on dependent VISA and he is on H1 VISA. I am working in USA from last 6yrs and use to give remaining salary to my husband after paying Home EMI and the house which I am residing now is on my name and I am paying EMI from last 6yrs. Last week , he served me divorce notice stating that he needs 50% children custody and 50% in my property and 50% I have to share his debts which will $50,000. Once, divorce is given I don't have an option to stay here and my kids cant stay with out me, wantedly he is doing all these. Now, can I fille a case on him in India??? I need my children and I want to come to India and settle. I am loosing all my hope No one is here to help me Please help me what I can do him in India???? Can I file a case against him in India while staying here I cannot cross USA until this case gets settled here please sir, two girls who cannot stay with their father who is irresponsible