Complex sentence: The group of schools has total four branches, Gyan Devi Montessori School in Sector-9, Gyan Devi School in Sector-10 and Gyan Abhiyan Kendra in Sector-17.
Split into simpler sentences: The group of schools has total four branches including this one. The other ones are "Gyan Devi Montessori School" in Sector-9, "Gyan Devi School" in Sector-10 and "Gyan Abhiyan Kendra" in Sector-17.