1. Foreign Decree of divorce is not valid in India unless it is got validated in India by filing an application before the appropriate District Court in India.
2. Indian District Court will not validate any foreign decree unless it has been passed vased on grounds which are also accepted by Indian Law like mutual consent divorce filed in India.
3. For the above reason, uncontested or ex-parte decree of divorce passed by foreign courts on grounds not acceptable by Indian Law are not acceptable by Indian courts.
4. So, none of the parties of the said decree can remarry in India as they are considered as already married couple as per Indian Law.
5. Since the bride is still the wife of the groom as per Indian law, she can very well demand all the facilities including maintenance/alimony.
6. Moreover, the wife can lodge police complaint u/s 498A of IPC and also file DV case against the husband and his other family members.