<p>DH Kolkata Correspondent Soumya Das breaks down the reason behind BJP's surge and what might be the future course of action for the TMC.</p>.<div><p><strong>Deccan Herald is on WhatsApp Channels</strong>| <a href="https://www.deccanherald.com/specials/deccan-herald-is-now-on-whatsapp-heres-how-you-can-join-2698271">Join now for Breaking News & Editor's Picks</a></p></div>