New Delhi, April 22 -- The Congress on Monday fielded boxer Vijender Singh from the south Delhi Lok Sabha seat against Ramesh Budhiri, who is the sitting Member of Parliament from the BJP. According to a release by AICC General secretary Mukul Wasnik, ''the Central election committee has approved the candidature of Vijender Singh as Congress candidate to contest the ensuing General elections to the Lok Sabha from South Delhi Parliamentary constituency of NCT of Delhi.'' The Congress has now announced candidates for all seven Lok Sabha seats in Delhi. Earlier on Monday, the Congress party announced names of candidates for six Lok Sabha seats in Delhi which included former chief minister Sheila Dikshit from North east Delhi, former DPCC chief...