In my opinion, the most emotional Bollywood film has to be "Kal Ho Naa Ho". This movie perfectly captures the essence of love, sacrifice, and the importance of living each day to the fullest. The heart-wrenching performances by Shah Rukh Khan, Preity Zinta, and Saif Ali Khan, combined with a beautiful soundtrack, never fail to bring tears to my eyes. Watching the characters navigate the complexities of their relationships, while dealing with life's unexpected challenges, truly resonates with the audience on a deeper level. For me, "Kal Ho Naa Ho" is a film that will always hold a special place in my heart.