A sweeping election victory for Prime Minister Narendra Modi’s Bharatiya Janata Party (BJP) in Bihar has raised fresh questions about the future of India’s political opposition.Analysts say the landslide outcome – which defied predictions of a close race – highlights an increasingly lopsided political landscape, with a dominant BJP facing a fragmented opposition, particularly a Congress party struggling with internal drift and unresolved leadership issues.The BJP, its main regional ally,...