Who are the key candidates as Kerala goes to vote tomorrow?

Kerala's all 20 Lok Sabha seats will go to polls tomorrow. Among the key candidates is Congress' Rahul Gandhi, who'll face CPI's Annie Raja and BJP's K Surendran from Wayanad. Minister Rajeev Chandrasekhar will face Congress' Shashi Tharoor from Thiruvananthapuram. Actor-BJP leader Suresh Gopi will fight from Thrissur. Actor-CPI(M) MLA M Mukesh will face actor-politician Krishna Kumar from Kollam.