New Delhi, Dec. 15 -- The Rajya Sabha witnessed heated exchanges and an early adjournment on Monday as Union Minister and Bharatiya Janata Party (BJP) President JP Nadda strongly condemned derogatory slogans raised against Prime Minister Narendra Modi during the mega rally organised by Congress against the alleged 'Vote Chori' in Delhi's Ramlila Maidan the previous day, demanding a public apology from senior Congress leader Sonia Gandhi.

Addressing the Upper House, Nadda said the slogans reflected the Congress party's "thinking and mentality" and termed such remarks against a sitting Prime Minister as highly condemnable, holding Sonia Gandhi accountable as the party's senior-most leader.

Speaking in the Rajya Sabha, Nadda said, "Sonia G...