New Delhi, April 26 -- Aam Aadmi Party (AAP) MP Sanjay Singh on Sunday officially petitioned the Rajya Sabha Chairman CP Radhakrishnan to disqualify seven MPs, who recently announced a merger with the Bharatiya Janata Party (BJP).

The petition challenged the "purported merger" under paragraph 4 of the Tenth Schedule of the Constitution and sought the disqualification of the MPs under its paragraph 2(1)(a).

Paragraph 2 of the Tenth Schedule deals with disqualification on the ground of defection. Sub-paragraph (1) provides that, subject to the provisions of paragraphs 4 and 5, a member of a House belonging to any political party shall be disqualified from being a member of the House. Clause (a) of this sub-paragraph further specifies that...