Manmohan, Sonia, Rahul pay tribute to Mahatma Gandhi at Wardha

 Former Prime Minister Manmohan Singh, United Progressive Alliance Chairperson Sonia Gandhi, Congress President Rahul Gandhi and others on Tuesday paid homage to Mahatma Gandhi at the historic Sevagram Ashram in Wardha as the nation bgan a year-long celebration leading to his 150th birth anniversary, a party official said.