In Varanasi, Ajay Rai filed his papers after offering liquor to Lord Kaal Bhairav as per local tradition.
Rai is fighting against BJP's prime ministerial candidate Narendra Modi and Aam Aadmi Party's Arvind Kejriwal, who are expected to file their nominations next week.
A total of four candidates filed papers for May 12 Lok Sabha polls in Varanasi.
In Uttarakhand, prominent among those who filed their nomination papers for the May 7 polling were BJP leaders Khanduri and Nishank, former chief minister Vijay Bahuguna's son Saket and daughter-in-law of erstwhile Tehri royal family Mala Rajya Laxmi Shah.
Khanduri and Nishank filed their nominations from Pauri and Haridwar seats respectively.
Himachal Pradesh Chief Minister Virbhadra Singh's wife Pratibha Singh filed her nomination from Mandi Parliamentary seat, from where she is seeking re-election for the third time.