“Bhajan” refers to a type of Gujarati:

Devotional song
Wedding song
Lullaby
Work song

The correct answer is: Devotional song.

A bhajan is a type of Hindu devotional song that is typically sung in praise of a deity or deities. Bhajans are often accompanied by instruments such as the tabla, harmonium, and sitar. They are typically sung in a call-and-response format, with the leader singing the verses and the congregation singing the chorus. Bhajans are an important part of Hindu religious practice and are often sung at temples, homes, and other gatherings.

A wedding song is a song that is sung at a wedding ceremony. Wedding songs are typically happy and celebratory, and they often express the joy of the couple and their families. Wedding songs can be religious or secular, and they can be sung in a variety of languages.

A lullaby is a song that is sung to a child to help them fall asleep. Lullabies are typically soft and soothing, and they often have a repetitive melody. Lullabies can be sung in a variety of languages, and they are often passed down from generation to generation.

A work song is a song that is sung while working. Work songs are typically used to keep workers motivated and to make the work more enjoyable. Work songs can be sung in a variety of languages, and they often have a strong rhythm.