MEERUT, Oct. 22 -- By-election on Bulandshahr Sadar constituency is likely to be a triangle contest between the Bahujan Samaj Party (BSP), Bharatiya Janata Party (BJP) and the joint candidate of the Rashtriya Lok Dal (RLD) and the Samajwadi Party (SP). With one Independent candidate withdrawing her name on the last day of the withdrawal of names on Monday, a total of 18 candidates are left in the fray....