Section 192 of Indian contract Act

Representation of principal by sub-agent properly appointed.— Where a sub-agent is properly appointed, the principal is, so far as regards third persons, represented by the sub-agent, and is bound by and responsible for his acts, as if he were an agent originally appointed by the principal.

Agent’s responsibility for sub-agent.— The agent is responsible to the principal for the acts of the sub-agent.

Sub-agent’s responsibility.— The sub-agent is responsible for his acts to the agent, but not to the principal, except in cases of fraud or wilful wrong.