LUCKNOW, April 15 -- All India Congress Committee has named six party leaders from UP, including party's state chief Ajay Rai, as campaigners for the second phase of the assembly polls in West Bengal. Apart from Rai, senior leaders assigned electioneering work include Pramod Tiwari, deputy leader in the Rajya Sabha; Supriya Shrinate, party's national spokesperson, Imran Masood, Congress MP from Saharanpur, Nadeem Javed; and Imran Pratapgarhi (Rajya Sabha MP). "I will discharge the responsibility entrusted by the top leadership with full dedication and vigour to ensure victory of party candidates," Rai said. The Congress headquarters in New Delhi has submitted a list of 40 campaigners, including Sonia Gandhi, Rahul Gandhi, Priyanka Gandhi and Mallikarjun Kharge, to the ECI.htc...