@@sidduhonawad8964 Yadavas belonged to Yadu clan,who was the son of yayathi son in law of shukracharya a demon guru.Yayathi exchanged his rigorous old age with the youth of one of his sons named puru aka the youngest son and declared him as his successor because of his devotion and selfless act while others were cursed to take up the possessions of various other resources and professions of his land one among them and also the eldest one was Yadu who was cursed to be a herds man who focused mainly on protecting the cattle resource which included cows,sheep,goat,yack but not buffaloes as they were raised by mahishiyas which is again a whole other story so please do remain calm when you don't know much.
