For admission in Nursery, the child must be at least 3-years old on 31st March of the said academic year. For example, if you are applying for session 2022-23, your child should be 3 years old as of 31st March 2022.
In case your child does not meet the age criteria, you may apply to Khaitan Pre-School, conveniently located behind The Khaitan School campus within the same sector. As a bonus, students of Khaitan Pre-School are accepted for admission to The Khaitan School (subject to certain conditions).