Indian Contract Act, 1872
193. Agent's responsibility for
sub-agent appointed without authority
Where an agent, without having authority to do so, has appointed
a person to act as a sub-agent, the agent stands towards such person in the
relation of a principal to an agent, and is responsible for his acts both to
the principal and to third person; the principal is not represented, by or
responsible for the acts of the person so employed, nor is that person
responsible to the principal.