Opinion: The Motive For Mamata's Letter To Sonia Gandhi, Other Party Leaders

Have Opposition leaders finally realised that a single party can't stop the BJP juggernaut, and to dislodge the BJP, and for their own survival, it is important to come together?

source https://www.ndtv.com/opinion/reading-mamatas-letter-seeking-opposition-unity-in-midst-of-election-2403325