to escape the earsplitting sounds of the crackers displayed by the jubilant puza goers , dhanesh and sisir used to seat in the calm and quiet atmosphere under the mango tree and sitting in darkness under the star studded new moon sky they told each other stories of various ghosts mamdo , jamdo , kal singh , lakchera , beuderang , skandhakata , petni , shakchunni , nishidak and others .