List of Indian CBSE OR ICSE SchoolS or International having IGCSE Curriculum

Dear IL Members

Writing on behalf of a friend , they're expected to shift to ABU Dhabi next month.Pls guide as to reputed Indian Schools having CBSE AND ICSE and IGCSE schools for her kids.
What's the admission procedure ? How difficult or easy is to get into Indian or IGCSE Schools ?

Thanks