On the last of campaigning for the second phase of West Bengal Assembly elections, battleground Nandigram witnessed mega roadshows by both Trinamool Congress and Bharatiya Janata Party. While Mamata Banerjee showcased her party's might in Sona Chura area, BJP's roadshow featured Mamata's chief challenger Suvendu Adhikari and Union Minister Amit Shah. Speaking to reporters during a press conference after the …