When the subjects joined by (Either-or), (Neither-nor) are of different persons, the verb will agree in person and number with the noun nearest to it. Also, the plural subject must be placed nearest to the verb.
Ex.- Either Radha or Rani has done this mischief.
Neither Mohini nor Ragini is beautiful
Neither you nor he is to take up this task.
Either you or I am responsible for this mistake.