With all due respect, your kid is just 2.5 years old. Child at this age dont need to go school. They learn from parents and build foundations to jump into world of school by the age of 5 years.
However, Admissions in KG-1 are restricted to be at 3 years and 11 months. So if your child is about this age, Indian schools will admit the child in KG-1. Below, this age, you have the option to educate at home or put them in Nursery.
Indian School admissions in Qatar, especially lower grades, is very difficult. If you want a good school that is near your home, then start following the school website and keep the documents ready. Below is a useful link to browse and see which schools fits your requirement.
https://nricafe.com/list-indian-schools-doha/