<p>Ending its four year-old ties with the BJP, the AIADMK on September 25 announced walking out of the National Democratic Alliance (NDA) and said it would lead a separate front for the 2024 Lok Sabha polls. What led to the end of AIADMK-NDA alliance and how will this impact BJP's 2024 poll prospects? <em>Deccan Herald</em>'s ETB Sivapriyan explains.</p>