Joint liability may rise under various circumstances:
(a) When a person is liable for the tort committed by another person that is called vicarious liability. In this type of cases person who actually commits the tort and the person who is vicariously liable are deemed to be joint tort faros. Vicarious liability is based on certain kind of relationship between persons i.e.
(a) master and servant,
(b) principle and his agent.
(b) If a partner commits a tort while performing his duties as a partner, all the partners are liable jointly to the aggrieved.
(c) When two or more persons act in furtherance of their common object.