Lord Krishna is The Supreme Personality of Godhead and whenever he descends he descends in His original 2 handed form. Krishna's Body is ... Sometimes avatāra is understood to refer to an incarnation who assumes a material form of flesh and bone, but actually avatāra refers to one who descends from higher regions. read more
Lord Sri.Krishna incarnated to punish the wicked, because the helpless had prayed for his intervention and they had faith that Lord Sri Vishnu would come to their rescue by incarnation. Respecting their prayers He was born in Yadav caste to Yashoda.He himself declared in Bhagwadgita that He would incarnate again and again to establish Dharma. read more