The Bharatiya Janta Party on Thursday announced Swaran Singh Salaria as its candidate from the Gurdaspur parliamentary constituency, which fell vacant after the demise of actor-turned-politician Vinod Khanna in April this year.The BJP central election committee picked Mr. Salaria for the by-election to the parliamentary constituency of Gurdaspur, said party central election committee secretary Jagat Prakash Nadda in a release.Nominations filedMr. Salaria is a businessman from Chauhana village of Bhoa Assembly constituency. Meanwhile four candidates on Thursday filed their nominations for the Gurdaspur parliamentary constituency by-poll, to be held on October 11.An official spokesperson said those who filed nominations include Aam Aadmi Party candidate Suresh Kahjuria and his covering candidate Taripata Kumari, besides Rajinder Singh of Hindustan Shakti Saina and Santosh Kumari of Megh Deshm Party.The spokesperson said the last date for filing of nominations is September 22. So far, five candidates have filed their nominations for by-poll. The counting of votes and result will be declared on October 15.