<p>On <strong>24 April 2026</strong>, seven out of ten members of the <span class="key-term" data-definition="Aam Aadmi Party — a political party founded in 2012, known for its anti-corruption agenda; significant in GS2: Polity for studying party dynamics">AAP</span> in the <span class="key-term" data-definition="Rajya Sabha — the Upper House of India’s Parliament, representing states; its composition affects legislative outcomes (GS2: Polity)">Rajya Sabha</span> announced their merger with the <span class="key-term" data-definition="Bharatiya Janata Party — the ruling party at the centre, representing right‑wing ideology; central to GS2: Polity and current government policies">BJP</span>. The Chairman of the <span class="key-term" data-definition="Rajya Sabha — the Upper House of India’s Parliament, representing states; its composition affects legislative outcomes (GS2: Polity)">Rajya Sabha</span> accepted the claim, raising the BJP’s strength in the Upper House to <strong>113 seats</strong> and pushing the combined strength of the <span class="key-term" data-definition="National Democratic Alliance — a coalition led by the BJP, forming the government at the centre; its strength in Parliament determines legislative power (GS2: Polity)">NDA</span> above the halfway mark for the first time.</p>
<h3>Key Developments</h3>
<ul>
<li>Seven AAP legislators — including <strong>Raghav Chadha</strong>, <strong>Sandeep Pathak</strong> and <strong>Swati Maliwal</strong> — formally merged with the <span class="key-term" data-definition="Bharatiya Janata Party — the ruling party at the centre, representing right‑wing ideology; central to GS2: Polity and current government policies">BJP</span>.</li>
<li>The merger was accepted by the <span class="key-term" data-definition="Rajya Sabha — the Upper House of India’s Parliament, representing states; its composition affects legislative outcomes (GS2: Polity)">Rajya Sabha</span> Chairman, increasing BJP’s seat count to 113.</li>
<li>The combined strength of the <span class="key-term" data-definition="National Democratic Alliance — a coalition led by the BJP, forming the government at the centre; its strength in Parliament determines legislative power (GS2: Polity)">NDA</span> now exceeds the 50 % threshold in the Upper House for the first time.</li>
<li>The move has triggered a legal challenge by the <span class="key-term" data-definition="Aam Aadmi Party — a political party founded in 2012, known for its anti-corruption agenda; significant in GS2: Polity for studying party dynamics">AAP</span> on the interpretation of the <span class="key-term" data-definition="Tenth Schedule — a provision in the Constitution that contains the anti-defection law to curb floor crossing by legislators (GS2: Polity)">Tenth Schedule</span> and the <span class="key-term" data-definition="Anti-defection law — legal framework preventing elected representatives from switching parties after election, to preserve stability (GS2: Polity)">anti