He replaced Nanda's child with his and immediately made his way back to Mathura. After a similar journey when he entered his cell in the royal prison, every thing became normal. The chains bounded them and the guards woke up. Seeing the newborn baby, they informed the king. Kangsha came down to the dungeon and when he tried to kill the baby, it vanished and a voice was heard that the person in Gokul would kill him. Eventually, Krishna grew up in Brindaban and then came back to Mathura and destroyed Kangsha and freed his mother and father. The incident of his birth and his transportation to Brindaban is celebrated all over Bengal, the scenes being depicted with clay models.
On this day, the idol of baby Krishna is washed and adorned with new clothes and jewellery. Then the idol is placed in a cradle and worshipped. This event is called the ‘Jhoolan Utsav’. Also, to mark the entry of Lord Krishna into his foster house, designs of footprints entering the house, of babies are drawn outside every home with rice-flour paste. People generally fast on this day in order to wash away their sins and expel bad luck. The person keeping the fast must stay on vegetables the previous day for self control. Also after breaking the fast the person must perform a puja through a priest and then must offer food and money to the Brahmins.

People generally fast on this day in order to wash away their sins and expel bad luck. The person keeping the fast must stay on vegetables the previous day for self control. Also after breaking the fast the person must perform a puja through a priest and then must offer food and money to the Brahmins.

The ingredients  for the puja are:

Til, Phul, Tulsi, Durba, Dhup, Dip, Panchagabo, Panchaguri, Atopchaler Naibodya, Foler Naibodya, Pat, Bali, Madhuparker Bati, Ason, Onguri, Purnapatra, Dahi, Madhu, Chini, Tel, Holud.

There are many ways in which Janmashtami is celebrated in various regions of the country.

West Bengal

West Bengal celebrates Janmashtami with great exuberance and religious rituals are followed according to the vedic sacred scriptures. Moreover processions are taken out with wonderful tableaus depicting the various stages of the Lord’s life and the sound of counch along with that of ringing bells fills the environment. Also in several temples and places ‘Raslila’, the depiction of various events from Kirishna’s life through drama and acting are performed. The people prepare particular dishes as offering to Krishna and during night many performs special pujas to honour and please the Lord. In every temple some special functions are held attracting lots of devotees.The famous among them is the Iskon temple which attracts a huge mass of people. The grand Jhoolan Utsav is performed and various singers associated with the temple sings devotional bhajans and songs, known as ‘Kirtan’.Thousands of devotees listens to these ‘Kirtans’ and later are served with a special dish with 56 items known as the ‘Chappan Bhog’.