Answer : 2. "Bhil tribe "
Explanation :

1. Khoytu is a type of traditional Rajasthani clothing mainly worn in the Mewar region. It is a long, loose-fitting, sleeveless garment which is usually white. Khoytu is commonly worn by both men and women, but it is more popular among men.

2. 'Khoytu' textile is related to the Bhil tribe.