Size 28 approx 7-8 years
Size 30 approx 8-9 years
Size 32 approx 10-11 years
Size 34 approx 11-12 years

Due to the print repetition,  there are two ways the kurta will be depending on the size.  Please see pictures.
 
Please get in touch if unsure about sizes for exact measurements. Colour may vary dependingon screen resolutions