Bhai phota in bengali. Bhaiya duj in hindi. In this ritual sister worship to god for long life of her brother.Who will protect her from all sides of her life. Now a days in India most of the middle class family has only one child. My daughter is greeting my cousin sister's son. Like worshiping god in the temple with lamp,insence stick,shank shell to do the arti for her brother. .Behind them one lady who was 100 years old helping them to complete the ritual.She was active till her death,Dina