There are quite a few. Depends on the area where you are and your budget. To name a few:
Gitanjali Devashray Secunderabad
Niraj International, Kandlakoya - 5 kms from kompally
All the admissions start in either October last week or November 1st week
Human nature thrives for more and more. There is no best or worst school. What you can look at is the facilities provided in a particular school and the activities conducted during the year.