you and your son have no rights on the property during your husband lifetime
2) on his demise intestate your son would inherit the land
3) you would have no share in land after divorce decree is passed
4) you have no evidence of payment of Rs 10 lkahs to MIL
5) your partition suit would be dismissed
6) no injunction would be granted by court
7) court fees is state subject and varies from state to state