Lucknow, April 19 -- Eight Lok Sabha seats in West Uttar Pradesh -- Saharanpur, Kairana, Muzaffarnagar, Bijnor, Nagina (SC), Moradabad, Rampur and Pilibhit -- go to polls on Friday as political rivals eye one another's bastions in a three-cornered contest among the Bharatiya Janata Party led-NDA, the Samajwadi Party-led INDIA bloc and the Bahujan Samaj Party....