New Delhi, Feb 05 (ANI): Urban Development Minister Venkaiah Naidu on Thursday said that AAP Chief Arvind Kejriwal has already conceded defeat in the upcoming Delhi Assembly elections by alleging that the EVM machines are defective. He added that Delhi is mini-India and its development will help in national and international prospect. The elections for 70-member Delhi Assembly will take place on February 7 while the results will be announced on February 10.