My 7yrs old nephew wants to travel with my mom...

 Please be kindly informed that according to the information provided to us in your inquiry regarding the son's travel from India to the country of the Emirates, yes, he can travel, but it may require obtaining permission and approval of his father, which must be in writing or obtain permission from the court and then obtain a visa for him for travel purposes. If his son has been added to the passport, he can obtain a visa for him