The alliance between Tamil Nadu's main opposition DMK and the Congress, which swept the 2019 national election in the state, is in trouble in neighbouring Puducherry, ruled by the Congress. Congress leader Rahul Gandhi last week watched a Jallikattu bull-taming event in Madurai with DMK leaders. But that bonhomie is missing in Puducherry, where elections will be held along with Tamil Nadu in a few months.