Srikanth. If you havent tried yet, try filling an online admission form for Noble Indian School. Its in Wukair near Ezdan 10.
http://www.nobleqatar.com/online-admission/
There are 2 small nurseries and KG's around Wakra.
1. Little Flower
2. Springfiled
Try speaking with them. Even if the admissions are closed, they have waiting list. Speak with them and register your child name in waiting list.
Also, you can visit, Education council building in West Bay behind Salam mall. Speak with them, they will for sure get your child admission.
If, nothing works, wait for an year. There is no harm in it and give home schooling for an year. She is only 3 year old.
I did the same for my daughters.
Wish you the Best of Efforts.