Patna, Aug. 18 -- Congress leader Rahul Gandhi on Sunday hit out at the Bharatiya Janata Party (BJP) for undermining the Constitution and accused it of resorting to malpractices to secure electoral victories, as he led the 'Voter Adhikar Yatra' of the Opposition Indian National Developmental Inclusive Alliance (INDIA) bloc in poll-bound Bihar. Gandhi, along with Rashtriya Janata Dal (RJD) leader Tejashwi Yadav and other leaders of INDIA bloc, including CPI(ML) Liberation general secretary Dipankar Bhattacharya and VIP's Mukesh Sahani, launched the 'Voter Adhikar Yatra' against "vote theft" from Sasaram in Rohtas district. The ambitious 1,300-km yatra will cover 25 districts in 16 days in a hybrid mode, on foot and by vehicle, and culminate ...