As per child care experts the earlier you start the better it is. So the best age to start is 18 months to 2 years of age.
Age as per NEP 2020
1.5-3 Years - Play-Based Learning3-4 Years - Pre Kindergarten4-5 Years - Kindergarten 15-6 Years - Kindergarten 2
Early experiences affect the quality of that architecture by establishing either a sturdy or a fragile foundation for all of the learning, health and behavior that follow.Harvard University
Gymnastics classes or mother child programmes in your city