Judge Martin Stephens QC said the trio had gone out with a "determined, premeditated intention to kill" that day.
Judge Stephens continued:
Mr Selvakumar was hit in the head but miraculously survived with a piece of bullet remaining in his head.
Five-year-old Thusha, who was dancing around with her family in the shop, was hit in the body. Only the skill and devotion of the medical teams who became involved saved her life but she remains paralysed below her chest and this condition is permanent.
This simple but devastating statement of the essential facts of the case illustrate the gravity of these offences, riddled as they are with aggravating factors.
Three men have been jailed for life for a gang-related shooting that left five-year-old Thusha Kamaleswaran paralysed.
The parents of six-year-old Thusha Kamaleswaran say they are praying "a miracle will happen" and their little girl will walk again.
ITV News meets six-year-old shooting victim Thusha Kamaleswaran and her family in their first television interview since the incident.