Badi dooooor se aaye hai is a story of 5 extra-terrestrial people, from a different galaxy. They have come to earth in search of their lost son. These 5 aliens consist of a father, mother and their 3 children. Few years back they had lost their youngest son while travelling through our galaxy. Since then they have been searching for him from planet to planet .This hunt of theirs had got them to our planet earth.
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