The document analyzes the reasons behind the NDA's defeat in the 2004 elections, highlighting key coalitions formed by Congress that previously avoided alliances. It details changes in party strategies, such as the BJP's switch from DMK to AIADMK in Tamil Nadu and the impact of other regional factors like anti-incumbency trends. Ultimately, the consolidation of pro-Congress votes and effective alliances greatly contributed to the NDA's loss compared to previous election years.