Is nursery same as LKG??

The pre-primary stage consists of Preparatory class (pre-nursery), nursery, LKG and UKG. ... Age limit for admission in nursery is 2 years 6 months to 3 years 6 months. Age limit for LKG (Junior KG) is 3 years 6 months to 4 years 6 months and for UKG (senior KG) is 4 years 6 months to 5 years 6 months. Jan 1, 2011