BJP's CM candidate Kiran Bedi on Tuesday said she believed in delivery of services while AAP chief Arvind Kejriwal believes in debates. Responding to Arvind Kejriwal's challenge for a public debate, Kiran Bedi said she is ready for a debate, but will debate only on the floor of the House. "I believe in delivery of goals, programmes, vision, services, while Kejriwal believes in debates," she said. "I am a practicing public administrator who has turned to politics on people's call," Kiran Bedi said over her comparison with other politicians. "I don't practice negativity like Kejriwal," she said. However, reacting to Kiran Bedi's response Kejriwal said "a debate before the polls will give people of Delhi an opportunity to know about the thinking of parties and help them make an informed choice." Early on Tuesday, Kejriwal congratulated Kiran Bedi over her nomination to lead the BJP campaign. He tweeted, "i congrats 4 being nominated as BJP's CM candidate. I invite u 4 a public debate moderated by neutral person n telecast by all." Kejriwal further tweeted, "Kiranji, i used to follow u on twitter. Now, u have blocked me on twitter. Kindly unblock me." Responding to Kejriwal's request, Bedi said she had blocked Kejriwal over a year back when he called himself an anarchist. In otherside Hours after Bedi was declared BJP's chief ministerial candidate for the Febuary 7 Delhi assembly polls, a hoarding of her along with party president Satish Upadhyay was vandalised outside the Delhi BJP headquarters on Monday night.