The Opposition and the government were involved in a bitter war of words on the Rafale issue in Lok Sabha on Wednesday, with Rahul Gandhi saying that Prime Minister Narendra Modi does not have guts to face questions in Parliament and Finance Minister Arun Jaitley accusing the Congress chief of peddling lies and falsehood. The lower house witnessed frequent adjournments as barbs flew from both sides and Opposition Members tried to disrupt speeches of rival leaders during a near three hour debate.