The Bride's Age Confusion

A prospective bride goom and his pupha complain that they had selected a girl called choti thinking that she was the younger of the two sisters. Later it turned out that her name is choti but she is the elder sister while the one called badi is actually the younger one. The father of the girls refuses to change the marriage option while the groom's side insists on marrying the younger one. Chandramukhi decides to solve the matter.