It is the day brother visit their sisters. Sisters cook for them , besically fi u r married , brothers come to ur house , have lunch with u gives u gifts. Like rakhi . Bhai means , brother . & bij or duj I don't know . Have to google it . But girls cook , brother eat & gifts 😉
Oh like it is opposite to rakhi... where sisters go to their brother's place and tie rakhi and gifts
Here brother goes to sister's place and food and gifts ... 😃