Court documents show that one child traded hands for just 5,000 rubles, which is just more than $75 US dollars.
The accused face up to 15 years in prison for violating child protection laws.
The Indian government has ordered an inspection of all child care facilities run by the Missionaries of Charity.
The charity's report reveals the trauma children have suffered getting to Europe.
It is unknown how many were trafficked for labor purposes, nor how many for sexual exploitation.