Bangalore Rural, Bangalore North, Bangalore Central, Bangalore South, Mandya and Mysore are key Lok Sabha constituencies going to polls tomorrow in Karnataka. BJP has fielded CN Manjunath against sitting MP DK Suresh from Bangalore Rural. Sowmya Reddy has been fielded against BJP's Tejasvi Surya from Bangalore South. Former CM HD Kumaraswamy will contest against Congress' Star Chandru in Mandya.