The video by Vaishalli provides a comprehensive overview of the top 100 current affairs relevant for the CDS 2 2024 and NDA exams, emphasizing the importance of these topics for exam preparation. It highlights key events and facts, such as the record of cosmonaut Oleg Kononenko, the installation of a floating solar plant by Central Railway, and the geopolitical significance of the Gulf of Tonkin, among others, to ensure viewers are well-prepared for their exams.